Manual pages for the C standard library, the C POSIX library, and the CS50 Library for those less comfortable.
-
aio_cancel
-
cancel an outstanding asynchronous I/O request
-
aio_error
-
get error status of asynchronous I/O operation
-
aio_fsync
-
asynchronous file synchronization
-
aio_init
-
asynchronous I/O initialization
-
aio_read
-
asynchronous read
-
aio_return
-
get return status of asynchronous I/O operation
-
aio_suspend
-
wait for asynchronous I/O operation or timeout
-
aio_write
-
asynchronous write
-
lio_listio
-
initiate a list of I/O requests
-
byteorder
-
convert values between host and network byte order
-
htonl
-
convert values between host and network byte order
-
htons
-
convert values between host and network byte order
-
inet_net_ntop
-
Internet network number conversion
-
inet_net_pton
-
Internet network number conversion
-
inet_ntop
-
convert IPv4 and IPv6 addresses from binary to text form
-
inet_pton
-
convert IPv4 and IPv6 addresses from text to binary form
-
ntohl
-
convert values between host and network byte order
-
ntohs
-
convert values between host and network byte order
-
cabs
-
absolute value of a complex number
-
cabsf
-
absolute value of a complex number
-
cabsl
-
absolute value of a complex number
-
cacos
-
complex arc cosine
-
cacosf
-
complex arc cosine
-
cacosh
-
complex arc hyperbolic cosine
-
cacoshf
-
complex arc hyperbolic cosine
-
cacoshl
-
complex arc hyperbolic cosine
-
cacosl
-
complex arc cosine
-
carg
-
calculate the complex argument
-
cargf
-
calculate the complex argument
-
cargl
-
calculate the complex argument
-
casin
-
complex arc sine
-
casinf
-
complex arc sine
-
casinh
-
complex arc sine hyperbolic
-
casinhf
-
complex arc sine hyperbolic
-
casinhl
-
complex arc sine hyperbolic
-
casinl
-
complex arc sine
-
catan
-
complex arc tangents
-
catanf
-
complex arc tangents
-
catanh
-
complex arc tangents hyperbolic
-
catanhf
-
complex arc tangents hyperbolic
-
catanhl
-
complex arc tangents hyperbolic
-
catanl
-
complex arc tangents
-
ccos
-
complex cosine function
-
ccosf
-
complex cosine function
-
ccosh
-
complex hyperbolic cosine
-
ccoshf
-
complex hyperbolic cosine
-
ccoshl
-
complex hyperbolic cosine
-
ccosl
-
complex cosine function
-
cexp
-
complex exponential function
-
cexp2
-
base-2 exponent of a complex number
-
cexp2f
-
base-2 exponent of a complex number
-
cexp2l
-
base-2 exponent of a complex number
-
cexpf
-
complex exponential function
-
cexpl
-
complex exponential function
-
cimag
-
get imaginary part of a complex number
-
cimagf
-
get imaginary part of a complex number
-
cimagl
-
get imaginary part of a complex number
-
clog
-
natural logarithm of a complex number
-
clog10
-
base-10 logarithm of a complex number
-
clog10f
-
base-10 logarithm of a complex number
-
clog10l
-
base-10 logarithm of a complex number
-
clog2
-
base-2 logarithm of a complex number
-
clog2f
-
base-2 logarithm of a complex number
-
clog2l
-
base-2 logarithm of a complex number
-
clogf
-
natural logarithm of a complex number
-
clogl
-
natural logarithm of a complex number
-
complex
-
basics of complex mathematics
-
conj
-
calculate the complex conjugate
-
conjf
-
calculate the complex conjugate
-
conjl
-
calculate the complex conjugate
-
cpow
-
complex power function
-
cpowf
-
complex power function
-
cpowl
-
complex power function
-
cproj
-
project into Riemann Sphere
-
cprojf
-
project into Riemann Sphere
-
cprojl
-
project into Riemann Sphere
-
creal
-
get real part of a complex number
-
crealf
-
get real part of a complex number
-
creall
-
get real part of a complex number
-
csin
-
complex sine function
-
csinf
-
complex sine function
-
csinh
-
complex hyperbolic sine
-
csinhf
-
complex hyperbolic sine
-
csinhl
-
complex hyperbolic sine
-
csinl
-
complex sine function
-
csqrt
-
complex square root
-
csqrtf
-
complex square root
-
csqrtl
-
complex square root
-
ctan
-
complex tangent function
-
ctanf
-
complex tangent function
-
ctanh
-
complex hyperbolic tangent
-
ctanhf
-
complex hyperbolic tangent
-
ctanhl
-
complex hyperbolic tangent
-
ctanl
-
complex tangent function
-
get_char
-
prompts user for a line of text from stdin and returns...
prompt a user for a
char
-
get_double
-
prompts user for a line of text from stdin and returns...
prompt a user for a
double
-
get_float
-
prompts user for a line of text from stdin and returns...
prompt a user for a
float
-
get_int
-
prompts user for a line of text from stdin and returns...
prompt a user for an
int
-
get_long
-
prompts user for a line of text from stdin and returns...
prompt a user for an
long
-
get_long_long
-
prompts user for a line of text from stdin and returns...
-
get_string
-
prompts user for a line of text from stdin and returns...
prompt a user for a
string
-
isalnum
-
character classification functions
check whether a character is alphanumeric
-
isalnum_l
-
character classification functions
-
isalpha
-
character classification functions
check whether a character is alphabetical
-
isalpha_l
-
character classification functions
-
isascii
-
character classification functions
-
isascii_l
-
character classification functions
-
isblank
-
character classification functions
check whether a character is blank (i.e., a space or tab)
-
isblank_l
-
character classification functions
-
iscntrl
-
character classification functions
-
iscntrl_l
-
character classification functions
-
isdigit
-
character classification functions
check whether a character is a digit
-
isdigit_l
-
character classification functions
-
isgraph
-
character classification functions
-
isgraph_l
-
character classification functions
-
islower
-
character classification functions
check whether a character is lowercase
-
islower_l
-
character classification functions
-
isprint
-
character classification functions
-
isprint_l
-
character classification functions
-
ispunct
-
character classification functions
check whether a character is punctuation
-
ispunct_l
-
character classification functions
-
isspace
-
character classification functions
check whether a character is whitespace (e.g., a newline, space, or tab)
-
isspace_l
-
character classification functions
-
isupper
-
character classification functions
check whether a character is uppercase
-
isupper_l
-
character classification functions
-
isxdigit
-
character classification functions
-
isxdigit_l
-
character classification functions
-
toascii
-
convert character to ASCII
-
tolower
-
convert uppercase or lowercase
convert a
char
to lowercase
-
tolower_l
-
convert uppercase or lowercase
-
toupper
-
convert uppercase or lowercase
convert a
char
to uppercase
-
toupper_l
-
convert uppercase or lowercase
-
alphasort
-
scan a directory for matching entries
-
getdirentries
-
get directory entries in a filesystem-independent format
-
readdir
-
read a directory
-
readdir_r
-
read a directory
-
scandir
-
scan a directory for matching entries
-
scandirat
-
scan a directory for matching entries
-
seekdir
-
set the position of the next readdir() call in the dir...
-
telldir
-
return current location in directory stream
-
versionsort
-
scan a directory for matching entries
-
dladdr
-
translate address to symbolic information
-
dladdr1
-
translate address to symbolic information
-
dlclose
-
open and close a shared object
-
dlerror
-
obtain error diagnostic for functions in the dlopen API
-
dlmopen
-
open and close a shared object
-
dlopen
-
open and close a shared object
-
dlsym
-
obtain address of a symbol in a shared object or execu...
-
dlvsym
-
obtain address of a symbol in a shared object or execu...
-
feclearexcept
-
floating-point rounding and exception handling
-
fedisableexcept
-
floating-point rounding and exception handling
-
feenableexcept
-
floating-point rounding and exception handling
-
fegetenv
-
floating-point rounding and exception handling
-
fegetexcept
-
floating-point rounding and exception handling
-
fegetexceptflag
-
floating-point rounding and exception handling
-
fegetround
-
floating-point rounding and exception handling
-
feholdexcept
-
floating-point rounding and exception handling
-
fenv
-
floating-point rounding and exception handling
-
feraiseexcept
-
floating-point rounding and exception handling
-
fesetenv
-
floating-point rounding and exception handling
-
fesetexceptflag
-
floating-point rounding and exception handling
-
fesetround
-
floating-point rounding and exception handling
-
fetestexcept
-
floating-point rounding and exception handling
-
feupdateenv
-
floating-point rounding and exception handling
-
fnmatch
-
match filename or pathname
-
ftw
-
file tree walk
-
nftw
-
file tree walk
-
glob
-
find pathnames matching a pattern, free memory from gl...
-
globfree
-
find pathnames matching a pattern, free memory from gl...
-
iconv
-
perform character set conversion
-
iconv_close
-
deallocate descriptor for character set conversion
-
iconv_open
-
allocate descriptor for character set conversion
-
MB_LEN_MAX
-
maximum multibyte length of a character across all loc...
-
realpath
-
return the canonicalized absolute pathname
-
duplocale
-
duplicate a locale object
-
freelocale
-
create, modify, and free a locale object
-
locale
-
description of multilanguage support
-
localeconv
-
get numeric formatting information
-
newlocale
-
create, modify, and free a locale object
-
setlocale
-
set the current locale
-
uselocale
-
set/get the locale for the calling thread
-
acos
-
arc cosine function
-
acosf
-
arc cosine function
-
acosh
-
inverse hyperbolic cosine function
-
acoshf
-
inverse hyperbolic cosine function
-
acoshl
-
inverse hyperbolic cosine function
-
acosl
-
arc cosine function
-
asin
-
arc sine function
-
asinf
-
arc sine function
-
asinh
-
inverse hyperbolic sine function
-
asinhf
-
inverse hyperbolic sine function
-
asinhl
-
inverse hyperbolic sine function
-
asinl
-
arc sine function
-
atan
-
arc tangent function
-
atan2
-
arc tangent function of two variables
-
atan2f
-
arc tangent function of two variables
-
atan2l
-
arc tangent function of two variables
-
atanf
-
arc tangent function
-
atanh
-
inverse hyperbolic tangent function
-
atanhf
-
inverse hyperbolic tangent function
-
atanhl
-
inverse hyperbolic tangent function
-
atanl
-
arc tangent function
-
cbrt
-
cube root function
-
cbrtf
-
cube root function
-
cbrtl
-
cube root function
-
ceil
-
ceiling function: smallest integral value not less tha...
calculate the ceiling of a number
-
ceilf
-
ceiling function: smallest integral value not less tha...
-
ceill
-
ceiling function: smallest integral value not less tha...
-
copysign
-
copy sign of a number
-
copysignf
-
copy sign of a number
-
copysignl
-
copy sign of a number
-
cos
-
cosine function
-
cosf
-
cosine function
-
cosh
-
hyperbolic cosine function
-
coshf
-
hyperbolic cosine function
-
coshl
-
hyperbolic cosine function
-
cosl
-
cosine function
-
drem
-
floating-point remainder function
-
dremf
-
floating-point remainder function
-
dreml
-
floating-point remainder function
-
erf
-
error function
-
erfc
-
complementary error function
-
erfcf
-
complementary error function
-
erfcl
-
complementary error function
-
erff
-
error function
-
erfl
-
error function
-
exp
-
base-e exponential function
-
exp10
-
base-10 exponential function
-
exp10f
-
base-10 exponential function
-
exp10l
-
base-10 exponential function
-
exp2
-
base-2 exponential function
-
exp2f
-
base-2 exponential function
-
exp2l
-
base-2 exponential function
-
expf
-
base-e exponential function
-
expl
-
base-e exponential function
-
expm1
-
exponential minus 1
-
expm1f
-
exponential minus 1
-
expm1l
-
exponential minus 1
-
fabs
-
absolute value of floating-point number
-
fabsf
-
absolute value of floating-point number
-
fabsl
-
absolute value of floating-point number
-
fdim
-
positive difference
-
fdimf
-
positive difference
-
fdiml
-
positive difference
-
finite
-
BSD floating-point classification functions
-
finitef
-
BSD floating-point classification functions
-
finitel
-
BSD floating-point classification functions
-
floor
-
largest integral value not greater than argument
calculate the floor of a number
-
floorf
-
largest integral value not greater than argument
-
floorl
-
largest integral value not greater than argument
-
fma
-
floating-point multiply and add
-
fmaf
-
floating-point multiply and add
-
fmal
-
floating-point multiply and add
-
fmax
-
determine maximum of two floating-point numbers
-
fmaxf
-
determine maximum of two floating-point numbers
-
fmaxl
-
determine maximum of two floating-point numbers
-
fmin
-
determine minimum of two floating-point numbers
-
fminf
-
determine minimum of two floating-point numbers
-
fminl
-
determine minimum of two floating-point numbers
-
fmod
-
floating-point remainder function
-
fmodf
-
floating-point remainder function
-
fmodl
-
floating-point remainder function
-
fpclassify
-
floating-point classification macros
-
frexp
-
convert floating-point number to fractional and integr...
-
frexpf
-
convert floating-point number to fractional and integr...
-
frexpl
-
convert floating-point number to fractional and integr...
-
gamma
-
(logarithm of the) gamma function
-
gammaf
-
(logarithm of the) gamma function
-
gammal
-
(logarithm of the) gamma function
-
HUGE_VAL
-
floating-point constants
-
HUGE_VALF
-
floating-point constants
-
HUGE_VALL
-
floating-point constants
-
hypot
-
Euclidean distance function
-
hypotf
-
Euclidean distance function
-
hypotl
-
Euclidean distance function
-
ilogb
-
get integer exponent of a floating-point value
-
ilogbf
-
get integer exponent of a floating-point value
-
ilogbl
-
get integer exponent of a floating-point value
-
INFINITY
-
floating-point constants
-
isfinite
-
floating-point classification macros
-
isgreater
-
floating-point relational tests without exception for NaN
-
isgreaterequal
-
floating-point relational tests without exception for NaN
-
isinf
-
floating-point classification macros
-
isinff
-
BSD floating-point classification functions
-
isinfl
-
BSD floating-point classification functions
-
isless
-
floating-point relational tests without exception for NaN
-
islessequal
-
floating-point relational tests without exception for NaN
-
islessgreater
-
floating-point relational tests without exception for NaN
-
isnan
-
floating-point classification macros
-
isnanf
-
BSD floating-point classification functions
-
isnanl
-
BSD floating-point classification functions
-
isnormal
-
floating-point classification macros
-
isunordered
-
floating-point relational tests without exception for NaN
-
j0
-
Bessel functions of the first kind
-
j0f
-
Bessel functions of the first kind
-
j0l
-
Bessel functions of the first kind
-
j1
-
Bessel functions of the first kind
-
j1f
-
Bessel functions of the first kind
-
j1l
-
Bessel functions of the first kind
-
jn
-
Bessel functions of the first kind
-
jnf
-
Bessel functions of the first kind
-
jnl
-
Bessel functions of the first kind
-
ldexp
-
multiply floating-point number by integral power of 2
-
ldexpf
-
multiply floating-point number by integral power of 2
-
ldexpl
-
multiply floating-point number by integral power of 2
-
lgamma
-
log gamma function
-
lgamma_r
-
log gamma function
-
lgammaf
-
log gamma function
-
lgammaf_r
-
log gamma function
-
lgammal
-
log gamma function
-
lgammal_r
-
log gamma function
-
llrint
-
round to nearest integer
-
llrintf
-
round to nearest integer
-
llrintl
-
round to nearest integer
-
llround
-
round to nearest integer
-
llroundf
-
round to nearest integer
-
llroundl
-
round to nearest integer
-
log
-
natural logarithmic function
-
log10
-
base-10 logarithmic function
-
log10f
-
base-10 logarithmic function
-
log10l
-
base-10 logarithmic function
-
log1p
-
logarithm of 1 plus argument
-
log1pf
-
logarithm of 1 plus argument
-
log1pl
-
logarithm of 1 plus argument
-
log2
-
base-2 logarithmic function
calculate the base-2 logarithm of a number
-
log2f
-
base-2 logarithmic function
-
log2l
-
base-2 logarithmic function
-
logb
-
get exponent of a floating-point value
-
logbf
-
get exponent of a floating-point value
-
logbl
-
get exponent of a floating-point value
-
logf
-
natural logarithmic function
-
logl
-
natural logarithmic function
-
lrint
-
round to nearest integer
-
lrintf
-
round to nearest integer
-
lrintl
-
round to nearest integer
-
lround
-
round to nearest integer
-
lroundf
-
round to nearest integer
-
lroundl
-
round to nearest integer
-
math_error
-
detecting errors from mathematical functions
-
matherr
-
SVID math library exception handling
-
modf
-
extract signed integral and fractional values from flo...
-
modff
-
extract signed integral and fractional values from flo...
-
modfl
-
extract signed integral and fractional values from flo...
-
NAN
-
floating-point constants
-
nan
-
return 'Not a Number'
-
nanf
-
return 'Not a Number'
-
nanl
-
return 'Not a Number'
-
nearbyint
-
round to nearest integer
-
nearbyintf
-
round to nearest integer
-
nearbyintl
-
round to nearest integer
-
nextafter
-
floating-point number manipulation
-
nextafterf
-
floating-point number manipulation
-
nextafterl
-
floating-point number manipulation
-
nextdown
-
return next floating-point number toward positive/nega...
-
nextdownf
-
return next floating-point number toward positive/nega...
-
nextdownl
-
return next floating-point number toward positive/nega...
-
nexttoward
-
floating-point number manipulation
-
nexttowardf
-
floating-point number manipulation
-
nexttowardl
-
floating-point number manipulation
-
nextup
-
return next floating-point number toward positive/nega...
-
nextupf
-
return next floating-point number toward positive/nega...
-
nextupl
-
return next floating-point number toward positive/nega...
-
pow
-
power functions
raise a number to a power
-
pow10
-
base-10 power functions
-
pow10f
-
base-10 power functions
-
pow10l
-
base-10 power functions
-
powf
-
power functions
-
powl
-
power functions
-
remainder
-
floating-point remainder function
-
remainderf
-
floating-point remainder function
-
remainderl
-
floating-point remainder function
-
remquo
-
remainder and part of quotient
-
remquof
-
remainder and part of quotient
-
remquol
-
remainder and part of quotient
-
rint
-
round to nearest integer
-
rintf
-
round to nearest integer
-
rintl
-
round to nearest integer
-
round
-
round to nearest integer, away from zero
round a number to the nearest integer
-
roundf
-
round to nearest integer, away from zero
-
roundl
-
round to nearest integer, away from zero
-
scalb
-
multiply floating-point number by integral power of ra...
-
scalbf
-
multiply floating-point number by integral power of ra...
-
scalbl
-
multiply floating-point number by integral power of ra...
-
scalbln
-
multiply floating-point number by integral power of radix
-
scalblnf
-
multiply floating-point number by integral power of radix
-
scalblnl
-
multiply floating-point number by integral power of radix
-
scalbn
-
multiply floating-point number by integral power of radix
-
scalbnf
-
multiply floating-point number by integral power of radix
-
scalbnl
-
multiply floating-point number by integral power of radix
-
signbit
-
test sign of a real floating-point number
-
signgam
-
log gamma function
-
significand
-
get mantissa of floating-point number
-
significandf
-
get mantissa of floating-point number
-
significandl
-
get mantissa of floating-point number
-
sin
-
sine function
-
sincos
-
calculate sin and cos simultaneously
-
sincosf
-
calculate sin and cos simultaneously
-
sincosl
-
calculate sin and cos simultaneously
-
sinf
-
sine function
-
sinh
-
hyperbolic sine function
-
sinhf
-
hyperbolic sine function
-
sinhl
-
hyperbolic sine function
-
sinl
-
sine function
-
sqrt
-
square root function
calculate the square root of a number
-
sqrtf
-
square root function
-
sqrtl
-
square root function
-
tan
-
tangent function
-
tanf
-
tangent function
-
tanh
-
hyperbolic tangent function
-
tanhf
-
hyperbolic tangent function
-
tanhl
-
hyperbolic tangent function
-
tanl
-
tangent function
-
tgamma
-
true gamma function
-
tgammaf
-
true gamma function
-
tgammal
-
true gamma function
-
trunc
-
round to integer, toward zero
-
truncf
-
round to integer, toward zero
-
truncl
-
round to integer, toward zero
-
y0
-
Bessel functions of the second kind
-
y0f
-
Bessel functions of the second kind
-
y0l
-
Bessel functions of the second kind
-
y1
-
Bessel functions of the second kind
-
y1f
-
Bessel functions of the second kind
-
y1l
-
Bessel functions of the second kind
-
yn
-
Bessel functions of the second kind
-
ynf
-
Bessel functions of the second kind
-
ynl
-
Bessel functions of the second kind
-
strfmon
-
convert monetary value to a string
-
strfmon_l
-
convert monetary value to a string
-
catclose
-
open/close a message catalog
-
catgets
-
get message from a message catalog
-
catopen
-
open/close a message catalog
-
poll
-
wait for some event on a file descriptor
-
ppoll
-
wait for some event on a file descriptor
-
hcreate
-
hash table management
-
hcreate_r
-
hash table management
-
hdestroy
-
hash table management
-
hdestroy_r
-
hash table management
-
hsearch
-
hash table management
-
hsearch_r
-
hash table management
-
insque
-
insert/remove an item from a queue
-
lfind
-
linear search of an array
-
lsearch
-
linear search of an array
-
remque
-
insert/remove an item from a queue
-
tdelete
-
manage a binary search tree
-
tdestroy
-
manage a binary search tree
-
tfind
-
manage a binary search tree
-
tsearch
-
manage a binary search tree
-
twalk
-
manage a binary search tree
-
twalk_r
-
manage a binary search tree
-
stdarg
-
variable argument lists
-
va_arg
-
variable argument lists
-
va_copy
-
variable argument lists
-
va_end
-
variable argument lists
-
va_start
-
variable argument lists
-
offsetof
-
offset of a structure member
-
wcstoimax
-
convert wide-character string to integer
-
wcstoumax
-
convert wide-character string to integer
-
a64l
-
convert between long and base-64
-
abort
-
cause abnormal process termination
-
abs
-
compute the absolute value of an integer
-
aligned_alloc
-
allocate aligned memory
-
arc4random
-
cryptographically-secure pseudorandom number generator
-
arc4random_buf
-
cryptographically-secure pseudorandom number generator
-
arc4random_uniform
-
cryptographically-secure pseudorandom number generator
-
atexit
-
register a function to be called at normal process ter...
-
atof
-
convert a string to a double
convert a
string
to a float
-
atoi
-
convert a string to an integer
convert a
string
to an int
-
atol
-
convert a string to an integer
convert a
string
to a long
-
atoll
-
convert a string to an integer
-
atoq
-
convert a string to an integer
-
bsearch
-
binary search of a sorted array
-
calloc
-
allocate and free dynamic memory
-
canonicalize_file_name
-
return the canonicalized absolute pathname
-
cfree
-
free allocated memory
-
clearenv
-
clear the environment
-
div
-
compute quotient and remainder of an integer division
-
drand48
-
generate uniformly distributed pseudo-random numbers
-
drand48_r
-
generate uniformly distributed pseudo-random numbers r...
-
ecvt
-
convert a floating-point number to a string
-
ecvt_r
-
convert a floating-point number to a string
-
erand48
-
generate uniformly distributed pseudo-random numbers
-
erand48_r
-
generate uniformly distributed pseudo-random numbers r...
-
exit
-
cause normal process termination
-
fcvt
-
convert a floating-point number to a string
-
fcvt_r
-
convert a floating-point number to a string
-
free
-
allocate and free dynamic memory
free dynamically allocated memory
-
gcvt
-
convert a floating-point number to a string
-
getenv
-
get an environment variable
-
getloadavg
-
get system load averages
-
getpt
-
open a new pseudoterminal master
-
getsubopt
-
parse suboption arguments from a string
-
grantpt
-
grant access to the slave pseudoterminal
-
imaxabs
-
compute the absolute value of an integer
-
imaxdiv
-
compute quotient and remainder of an integer division
-
initstate
-
random number generator
-
initstate_r
-
reentrant random number generator
-
jrand48
-
generate uniformly distributed pseudo-random numbers
-
jrand48_r
-
generate uniformly distributed pseudo-random numbers r...
-
l64a
-
convert between long and base-64
-
labs
-
compute the absolute value of an integer
-
lcong48
-
generate uniformly distributed pseudo-random numbers
-
lcong48_r
-
generate uniformly distributed pseudo-random numbers r...
-
ldiv
-
compute quotient and remainder of an integer division
-
llabs
-
compute the absolute value of an integer
-
lldiv
-
compute quotient and remainder of an integer division
-
lrand48
-
generate uniformly distributed pseudo-random numbers
-
lrand48_r
-
generate uniformly distributed pseudo-random numbers r...
-
malloc
-
allocate and free dynamic memory
allocate memory dynamically
-
MB_CUR_MAX
-
maximum length of a multibyte character in the current...
-
mblen
-
determine number of bytes in next multibyte character
-
mbstowcs
-
convert a multibyte string to a wide-character string
-
mbtowc
-
convert a multibyte sequence to a wide character
-
memalign
-
allocate aligned memory
-
mkdtemp
-
create a unique temporary directory
-
mkostemp
-
create a unique temporary file
-
mkostemps
-
create a unique temporary file
-
mkstemp
-
create a unique temporary file
-
mkstemps
-
create a unique temporary file
-
mktemp
-
make a unique temporary filename
-
mrand48
-
generate uniformly distributed pseudo-random numbers
-
mrand48_r
-
generate uniformly distributed pseudo-random numbers r...
-
nrand48
-
generate uniformly distributed pseudo-random numbers
-
nrand48_r
-
generate uniformly distributed pseudo-random numbers r...
-
on_exit
-
register a function to be called at normal process ter...
-
posix_memalign
-
allocate aligned memory
-
posix_openpt
-
open a pseudoterminal device
-
ptsname
-
get the name of the slave pseudoterminal
-
ptsname_r
-
get the name of the slave pseudoterminal
-
putenv
-
change or add an environment variable
-
pvalloc
-
allocate aligned memory
-
qecvt
-
convert a floating-point number to a string
-
qecvt_r
-
convert a floating-point number to a string
-
qfcvt
-
convert a floating-point number to a string
-
qfcvt_r
-
convert a floating-point number to a string
-
qgcvt
-
convert a floating-point number to a string
-
qsort
-
sort an array
-
qsort_r
-
sort an array
-
rand
-
pseudo-random number generator
-
rand_r
-
pseudo-random number generator
-
random
-
random number generator
generate a pseudorandom number
-
random_r
-
reentrant random number generator
-
realloc
-
allocate and free dynamic memory
reallocate memory dynamically
-
reallocarray
-
allocate and free dynamic memory
-
rpmatch
-
determine if the answer to a question is affirmative o...
-
secure_getenv
-
get an environment variable
-
seed48
-
generate uniformly distributed pseudo-random numbers
-
seed48_r
-
generate uniformly distributed pseudo-random numbers r...
-
setenv
-
change or add an environment variable
-
setstate
-
random number generator
-
setstate_r
-
reentrant random number generator
-
srand
-
pseudo-random number generator
-
srand48
-
generate uniformly distributed pseudo-random numbers
-
srand48_r
-
generate uniformly distributed pseudo-random numbers r...
-
srandom
-
random number generator
seed pseudorandom number generation
-
srandom_r
-
reentrant random number generator
-
strfromd
-
convert a floating-point value into a string
-
strfromf
-
convert a floating-point value into a string
-
strfroml
-
convert a floating-point value into a string
-
strtod
-
convert ASCII string to floating-point number
-
strtof
-
convert ASCII string to floating-point number
-
strtol
-
convert a string to a long integer
-
strtold
-
convert ASCII string to floating-point number
-
strtoll
-
convert a string to a long integer
-
strtoq
-
convert a string to a long integer
-
strtoul
-
convert a string to an unsigned long integer
-
strtoull
-
convert a string to an unsigned long integer
-
strtouq
-
convert a string to an unsigned long integer
-
system
-
execute a shell command
-
unlockpt
-
unlock a pseudoterminal master/slave pair
-
unsetenv
-
change or add an environment variable
-
valloc
-
allocate aligned memory
-
wcstombs
-
convert a wide-character string to a multibyte string
-
wctomb
-
convert a wide character to a multibyte sequence
-
bstring
-
byte string operations
-
memccpy
-
copy memory area
-
memchr
-
scan memory for a character
-
memcmp
-
compare memory areas
-
memcpy
-
copy memory area
-
memfrob
-
frobnicate (obfuscate) a memory area
-
memmem
-
locate a substring
-
memmove
-
copy memory area
-
mempcpy
-
copy memory area
-
memrchr
-
scan memory for a character
-
memset
-
fill memory with a constant byte
-
rawmemchr
-
scan memory for a character
-
sigabbrev_np
-
return string describing signal
-
sigdescr_np
-
return string describing signal
-
stpcpy
-
copy or catenate a string
-
stpncpy
-
fill a fixed-size buffer with non-null bytes from a st...
-
strcasestr
-
locate a substring
locate a substring
-
strcat
-
copy or catenate a string
-
strchr
-
locate character in string
-
strchrnul
-
locate character in string
-
strcmp
-
compare two strings
compare two strings
-
strcoll
-
compare two strings using the current locale
-
strcpy
-
copy or catenate a string
copy a string
-
strcspn
-
get length of a prefix substring
-
strdup
-
duplicate a string
-
strdupa
-
duplicate a string
-
strerror
-
return string describing error number
-
strerror_l
-
return string describing error number
-
strerror_r
-
return string describing error number
-
strerrordesc_np
-
return string describing error number
-
strerrorname_np
-
return string describing error number
-
strfry
-
randomize a string
-
strlen
-
calculate the length of a string
calculate the length of a string
-
strncat
-
append non-null bytes from a source array to a string,...
-
strncmp
-
compare two strings
-
strncpy
-
fill a fixed-size buffer with non-null bytes from a st...
-
strndup
-
duplicate a string
-
strndupa
-
duplicate a string
-
strnlen
-
determine the length of a fixed-size string
-
strpbrk
-
search a string for any of a set of bytes
-
strrchr
-
locate character in string
-
strsep
-
extract token from string
-
strsignal
-
return string describing signal
-
strspn
-
get length of a prefix substring
-
strstr
-
locate a substring
locate a substring
-
strtok
-
extract tokens from strings
-
strtok_r
-
extract tokens from strings
-
strverscmp
-
compare two version strings
-
strxfrm
-
string transformation
-
sys_siglist
-
return string describing signal
-
wmempcpy
-
copy memory area
-
bcmp
-
compare byte sequences
-
bcopy
-
copy byte sequence
-
bzero
-
zero a byte string
-
explicit_bzero
-
zero a byte string
-
ffs
-
find first bit set in a word
-
ffsl
-
find first bit set in a word
-
ffsll
-
find first bit set in a word
-
index
-
locate character in string
-
rindex
-
locate character in string
-
strcasecmp
-
compare two strings ignoring case
compare two strings ignoring case
-
string
-
string operations
-
strncasecmp
-
compare two strings ignoring case
-
ftok
-
convert a pathname and a project identifier to a Syste...
-
madvise
-
give advice about use of memory
-
memfd_create
-
create an anonymous file
-
mincore
-
determine whether pages are resident in memory
-
mlock
-
lock and unlock memory
-
mlock2
-
lock and unlock memory
-
mlockall
-
lock and unlock memory
-
mmap
-
map or unmap files or devices into memory
-
mmap64
-
map or unmap files or devices into memory
-
mprotect
-
set protection on a region of memory
-
mremap
-
remap a virtual memory address
-
msync
-
synchronize a file with a memory map
-
munlock
-
lock and unlock memory
-
munlockall
-
lock and unlock memory
-
munmap
-
map or unmap files or devices into memory
-
pkey_alloc
-
allocate or free a protection key
-
pkey_free
-
allocate or free a protection key
-
pkey_mprotect
-
set protection on a region of memory
-
posix_madvise
-
give advice about patterns of memory usage
-
process_madvise
-
give advice about use of memory to a process
-
remap_file_pages
-
create a nonlinear file mapping
-
shm_open
-
create/open or unlink POSIX shared memory objects
-
shm_unlink
-
create/open or unlink POSIX shared memory objects
-
msgctl
-
System V message control operations
-
msgget
-
get a System V message queue identifier
-
msgop
-
System V message queue operations
-
msgrcv
-
System V message queue operations
-
msgsnd
-
System V message queue operations
-
_newselect
-
synchronous I/O multiplexing
-
FD_CLR
-
synchronous I/O multiplexing
-
FD_ISSET
-
synchronous I/O multiplexing
-
FD_SET
-
synchronous I/O multiplexing
-
FD_ZERO
-
synchronous I/O multiplexing
-
pselect
-
synchronous I/O multiplexing
-
pselect6
-
synchronous I/O multiplexing
-
select
-
synchronous I/O multiplexing
-
semctl
-
System V semaphore control operations
-
semget
-
get a System V semaphore set identifier
-
semop
-
System V semaphore operations
-
semtimedop
-
System V semaphore operations
-
shmat
-
System V shared memory operations
-
shmctl
-
System V shared memory control
-
shmdt
-
System V shared memory operations
-
shmget
-
allocates a System V shared memory segment
-
shmop
-
System V shared memory operations
-
accept
-
accept a connection on a socket
-
accept4
-
accept a connection on a socket
-
address_families
-
socket address families (domains)
-
bind
-
bind a name to a socket
-
cmsg
-
access ancillary data
-
CMSG_ALIGN
-
access ancillary data
-
CMSG_DATA
-
access ancillary data
-
CMSG_FIRSTHDR
-
access ancillary data
-
CMSG_LEN
-
access ancillary data
-
CMSG_NXTHDR
-
access ancillary data
-
CMSG_SPACE
-
access ancillary data
-
connect
-
initiate a connection on a socket
-
ddp
-
Linux AppleTalk protocol implementation
-
getnameinfo
-
address-to-name translation in protocol-independent ma...
-
getpeername
-
get name of connected peer socket
-
getsockname
-
get socket name
-
getsockopt
-
get and set options on sockets
-
inet
-
Internet address manipulation routines
-
inet_addr
-
Internet address manipulation routines
-
inet_aton
-
Internet address manipulation routines
-
inet_lnaof
-
Internet address manipulation routines
-
inet_makeaddr
-
Internet address manipulation routines
-
inet_netof
-
Internet address manipulation routines
-
inet_network
-
Internet address manipulation routines
-
inet_ntoa
-
Internet address manipulation routines
-
ip
-
Linux IPv4 protocol implementation
-
ipv6
-
Linux IPv6 protocol implementation
-
listen
-
listen for connections on a socket
-
packet
-
packet interface on device level
-
raw
-
Linux IPv4 raw sockets
-
recv
-
receive a message from a socket
-
recvfrom
-
receive a message from a socket
-
recvmmsg
-
receive multiple messages on a socket
-
recvmsg
-
receive a message from a socket
-
send
-
send a message on a socket
-
sendmmsg
-
send multiple messages on a socket
-
sendmsg
-
send a message on a socket
-
sendto
-
send a message on a socket
-
setsockopt
-
get and set options on sockets
-
shutdown
-
shut down part of a full-duplex connection
-
sock_diag
-
obtaining information about sockets
-
sockatmark
-
determine whether socket is at out-of-band mark
-
socket
-
create an endpoint for communication
-
socket
-
Linux socket interface
-
socketpair
-
create a pair of connected sockets
-
tcp
-
TCP protocol
-
udp
-
User Datagram Protocol for IPv4
-
udplite
-
Lightweight User Datagram Protocol
-
unix
-
sockets for local interprocess communication
-
vsock
-
Linux VSOCK address family
-
x25
-
ITU-T X.25 / ISO/IEC 8208 protocol interface
-
chmod
-
change permissions of a file
-
fchmod
-
change permissions of a file
-
fchmodat
-
change permissions of a file
-
fstat
-
get file status
-
fstat64
-
get file status
-
fstatat
-
get file status
-
fstatat64
-
get file status
-
futimens
-
change file timestamps with nanosecond precision
-
isfdtype
-
test file type of a file descriptor
-
lstat
-
get file status
-
lstat64
-
get file status
-
mkdir
-
create a directory
-
mkdirat
-
create a directory
-
mknod
-
create a special or ordinary file
-
mknodat
-
create a special or ordinary file
-
newfstatat
-
get file status
-
oldfstat
-
get file status
-
oldlstat
-
get file status
-
oldstat
-
get file status
-
stat
-
get file status
-
stat64
-
get file status
-
statx
-
get file status (extended)
-
umask
-
set file mode creation mask
-
utimensat
-
change file timestamps with nanosecond precision
-
times
-
get process times
-
preadv
-
read or write data into multiple buffers
-
preadv2
-
read or write data into multiple buffers
-
process_vm_readv
-
transfer data between process address spaces
-
process_vm_writev
-
transfer data between process address spaces
-
pwritev
-
read or write data into multiple buffers
-
pwritev2
-
read or write data into multiple buffers
-
readv
-
read or write data into multiple buffers
-
writev
-
read or write data into multiple buffers
-
oldolduname
-
get name and information about current kernel
-
olduname
-
get name and information about current kernel
-
uname
-
get name and information about current kernel
-
wait
-
wait for process to change state
-
wait3
-
wait for process to change state, BSD style
-
wait4
-
wait for process to change state, BSD style
-
waitid
-
wait for process to change state
-
waitpid
-
wait for process to change state
-
closelog
-
send messages to the system logger
-
openlog
-
send messages to the system logger
-
setlogmask
-
set log priority mask
-
syslog
-
send messages to the system logger
-
vsyslog
-
send messages to the system logger
-
cfgetispeed
-
get and set terminal attributes, line control, get and...
-
cfgetospeed
-
get and set terminal attributes, line control, get and...
-
cfmakeraw
-
get and set terminal attributes, line control, get and...
-
cfsetispeed
-
get and set terminal attributes, line control, get and...
-
cfsetospeed
-
get and set terminal attributes, line control, get and...
-
cfsetspeed
-
get and set terminal attributes, line control, get and...
-
tcdrain
-
get and set terminal attributes, line control, get and...
-
tcflow
-
get and set terminal attributes, line control, get and...
-
tcflush
-
get and set terminal attributes, line control, get and...
-
tcgetattr
-
get and set terminal attributes, line control, get and...
-
tcgetsid
-
get session ID
-
tcsendbreak
-
get and set terminal attributes, line control, get and...
-
tcsetattr
-
get and set terminal attributes, line control, get and...
-
termios
-
get and set terminal attributes, line control, get and...
-
asctime
-
transform date and time to broken-down time or ASCII
-
asctime_r
-
transform date and time to broken-down time or ASCII
-
clock
-
determine processor time
-
clock_getcpuclockid
-
obtain ID of a process CPU-time clock
-
clock_getres
-
clock and time functions
-
clock_gettime
-
clock and time functions
-
clock_nanosleep
-
high-resolution sleep with specifiable clock
-
clock_settime
-
clock and time functions
-
ctime
-
transform date and time to broken-down time or ASCII
-
ctime_r
-
transform date and time to broken-down time or ASCII
-
daylight
-
initialize time conversion information
-
difftime
-
calculate time difference
-
dysize
-
get number of days for a given year
-
getdate
-
convert a date-plus-time string to broken-down time
-
getdate_err
-
convert a date-plus-time string to broken-down time
-
getdate_r
-
convert a date-plus-time string to broken-down time
-
gmtime
-
transform date and time to broken-down time or ASCII
-
gmtime_r
-
transform date and time to broken-down time or ASCII
-
localtime
-
transform date and time to broken-down time or ASCII
-
localtime_r
-
transform date and time to broken-down time or ASCII
-
mktime
-
transform date and time to broken-down time or ASCII
-
nanosleep
-
high-resolution sleep
-
stime
-
set time
-
strftime
-
format date and time
-
strftime_l
-
format date and time
-
strptime
-
convert a string representation of time to a time tm s...
-
time
-
get time in seconds
get time in seconds
-
timegm
-
inverses of gmtime and localtime
-
timelocal
-
inverses of gmtime and localtime
-
timer_create
-
create a POSIX per-process timer
-
timer_delete
-
delete a POSIX per-process timer
-
timer_getoverrun
-
get overrun count for a POSIX per-process timer
-
timer_gettime
-
arm/disarm and fetch state of POSIX per-process timer
-
timer_settime
-
arm/disarm and fetch state of POSIX per-process timer
-
timezone
-
initialize time conversion information
-
tzname
-
initialize time conversion information
-
tzset
-
initialize time conversion information
-
ulimit
-
get and set user limits
-
_Exit
-
terminate the calling process
-
_exit
-
terminate the calling process
-
_llseek
-
reposition read/write file offset
-
_sysctl
-
read/write system parameters
-
access
-
check user's permissions for a file
-
acct
-
switch process accounting on or off
-
alarm
-
set an alarm clock for delivery of a signal
-
arch_prctl
-
set architecture-specific thread state
-
brk
-
change data segment size
-
capget
-
set/get capabilities of thread(s)
-
capset
-
set/get capabilities of thread(s)
-
chdir
-
change working directory
-
chown
-
change ownership of a file
-
chown32
-
change ownership of a file
-
chroot
-
change root directory
-
close
-
close a file descriptor
-
close_range
-
close all file descriptors in a given range
-
confstr
-
get configuration dependent string variables
-
copy_file_range
-
Copy a range of data from one file to another
-
cuserid
-
get username
-
daemon
-
run in the background
-
delete_module
-
unload a kernel module
-
dup
-
duplicate a file descriptor
-
dup2
-
duplicate a file descriptor
-
dup3
-
duplicate a file descriptor
-
eaccess
-
check effective user's permissions for a file
-
encrypt
-
encrypt 64-bit messages
-
encrypt_r
-
encrypt 64-bit messages
-
endusershell
-
get permitted user shells
-
euidaccess
-
check effective user's permissions for a file
-
exec
-
execute a file
-
execl
-
execute a file
-
execle
-
execute a file
-
execlp
-
execute a file
-
execv
-
execute a file
-
execve
-
execute program
-
execveat
-
execute program relative to a directory file descriptor
-
execvp
-
execute a file
-
execvpe
-
execute a file
-
exit
-
terminate the calling process
-
exit_group
-
exit all threads in a process
-
faccessat
-
check user's permissions for a file
-
faccessat2
-
check user's permissions for a file
-
fchdir
-
change working directory
-
fchown
-
change ownership of a file
-
fchown32
-
change ownership of a file
-
fchownat
-
change ownership of a file
-
fdatasync
-
synchronize a file's in-core state with storage device
-
fexecve
-
execute program specified via file descriptor
-
finit_module
-
load a kernel module
-
fork
-
create a child process
-
fpathconf
-
get configuration values for files
-
fsync
-
synchronize a file's in-core state with storage device
-
ftruncate
-
truncate a file to a specified length
-
ftruncate64
-
truncate a file to a specified length
-
futex
-
fast user-space locking
-
get_current_dir_name
-
get current working directory
-
get_robust_list
-
get/set list of robust futexes
-
get_thread_area
-
manipulate thread-local storage information
-
getcwd
-
get current working directory
-
getcwd
-
get current working directory
-
getdents
-
get directory entries
-
getdents64
-
get directory entries
-
getdomainname
-
get/set NIS domain name
-
getdtablesize
-
get file descriptor table size
-
getegid
-
get group identity
-
getegid32
-
get group identity
-
getentropy
-
fill a buffer with random bytes
-
geteuid
-
get user identity
-
geteuid32
-
get user identity
-
getgid
-
get group identity
-
getgid32
-
get group identity
-
getgroups
-
get/set list of supplementary group IDs
-
getgroups32
-
get/set list of supplementary group IDs
-
gethostid
-
get or set the unique identifier of the current host
-
gethostname
-
get/set hostname
-
getlogin
-
get username
-
getlogin_r
-
get username
-
getopt
-
Parse command-line options
-
getopt_long
-
Parse command-line options
-
getopt_long_only
-
Parse command-line options
-
getpagesize
-
get memory page size
-
getpass
-
get a password
-
getpgid
-
set/get process group
-
getpgrp
-
set/get process group
-
getpid
-
get process identification
-
getppid
-
get process identification
-
getresgid
-
get real, effective, and saved user/group IDs
-
getresgid32
-
get real, effective, and saved user/group IDs
-
getresuid
-
get real, effective, and saved user/group IDs
-
getresuid32
-
get real, effective, and saved user/group IDs
-
getsid
-
get session ID
-
gettid
-
get thread identification
-
getuid
-
get user identity
-
getuid32
-
get user identity
-
getusershell
-
get permitted user shells
-
getwd
-
get current working directory
-
group_member
-
test whether a process is in a group
-
idle
-
make process 0 idle
-
init_module
-
load a kernel module
-
io_cancel
-
cancel an outstanding asynchronous I/O operation
-
io_destroy
-
destroy an asynchronous I/O context
-
io_getevents
-
read asynchronous I/O events from the completion queue
-
ioprio_get
-
get/set I/O scheduling class and priority
-
ioprio_set
-
get/set I/O scheduling class and priority
-
ipc
-
System V IPC system calls
-
isatty
-
test whether a file descriptor refers to a terminal
-
kcmp
-
compare two processes to determine if they share a ker...
-
kexec_file_load
-
load a new kernel for later execution
-
kexec_load
-
load a new kernel for later execution
-
keyctl
-
manipulate the kernel's key management facility
-
klogctl
-
read and/or clear kernel message ring buffer; set cons...
-
lchown
-
change ownership of a file
-
lchown32
-
change ownership of a file
-
link
-
make a new name for a file
-
linkat
-
make a new name for a file
-
llseek
-
reposition read/write file offset
-
lockf
-
apply, test or remove a POSIX lock on an open file
-
lookup_dcookie
-
return a directory entry's path
-
lseek
-
reposition read/write file offset
-
membarrier
-
issue memory barriers on a set of threads
-
memfd_secret
-
create an anonymous RAM-based file to access secret me...
-
mmap2
-
map files or devices into memory
-
modify_ldt
-
get or set a per-process LDT entry
-
mount_setattr
-
change properties of a mount or mount tree
-
mq_getsetattr
-
get/set message queue attributes
-
nice
-
change process priority
-
openat2
-
open and possibly create a file (extended)
-
optarg
-
Parse command-line options
-
opterr
-
Parse command-line options
-
optind
-
Parse command-line options
-
optopt
-
Parse command-line options
-
pathconf
-
get configuration values for files
-
pause
-
wait for signal
-
perf_event_open
-
set up performance monitoring
-
pidfd_getfd
-
obtain a duplicate of another process's file descriptor
-
pidfd_open
-
obtain a file descriptor that refers to a process
-
pidfd_send_signal
-
send a signal to a process specified by a file descri...
-
pipe
-
create pipe
-
pipe2
-
create pipe
-
pivot_root
-
change the root mount
-
pread
-
read from or write to a file descriptor at a given offset
-
pread64
-
read from or write to a file descriptor at a given offset
-
profil
-
execution time profile
-
pwrite
-
read from or write to a file descriptor at a given offset
-
pwrite64
-
read from or write to a file descriptor at a given offset
-
read
-
read from a file descriptor
-
readdir
-
read directory entry
-
readlink
-
read value of a symbolic link
-
readlinkat
-
read value of a symbolic link
-
reboot
-
reboot or enable/disable Ctrl-Alt-Del
-
rmdir
-
delete a directory
-
rt_sigqueueinfo
-
queue a signal and data
-
rt_tgsigqueueinfo
-
queue a signal and data
-
s390_guarded_storage
-
operations with z/Architecture guarded storage fac...
-
s390_pci_mmio_read
-
transfer data to/from PCI MMIO memory page
-
s390_pci_mmio_write
-
transfer data to/from PCI MMIO memory page
-
s390_runtime_instr
-
enable/disable s390 CPU run-time instrumentation
-
s390_sthyi
-
emulate STHYI instruction
-
sbrk
-
change data segment size
-
sched_getattr
-
set and get scheduling policy and attributes
-
sched_setattr
-
set and get scheduling policy and attributes
-
seccomp
-
operate on Secure Computing state of the process
-
set_robust_list
-
get/set list of robust futexes
-
set_thread_area
-
manipulate thread-local storage information
-
set_tid_address
-
set pointer to thread ID
-
setdomainname
-
get/set NIS domain name
-
setegid
-
set effective user or group ID
-
seteuid
-
set effective user or group ID
-
setgid
-
set group identity
-
setgid32
-
set group identity
-
setgroups
-
get/set list of supplementary group IDs
-
setgroups32
-
get/set list of supplementary group IDs
-
sethostid
-
get or set the unique identifier of the current host
-
sethostname
-
get/set hostname
-
setkey
-
encrypt 64-bit messages
-
setkey_r
-
encrypt 64-bit messages
-
setpgid
-
set/get process group
-
setpgrp
-
set/get process group
-
setregid
-
set real and/or effective user or group ID
-
setregid32
-
set real and/or effective user or group ID
-
setresgid
-
set real, effective, and saved user or group ID
-
setresgid32
-
set real, effective, and saved user or group ID
-
setresuid
-
set real, effective, and saved user or group ID
-
setresuid32
-
set real, effective, and saved user or group ID
-
setreuid
-
set real and/or effective user or group ID
-
setreuid32
-
set real and/or effective user or group ID
-
setsid
-
creates a session and sets the process group ID
-
setuid
-
set user identity
-
setuid32
-
set user identity
-
setup
-
setup devices and filesystems, mount root filesystem
-
setusershell
-
get permitted user shells
-
sgetmask
-
manipulation of signal mask (obsolete)
-
sleep
-
sleep for a specified number of seconds
-
socketcall
-
socket system calls
-
spu_create
-
create a new spu context
-
spu_run
-
execute an SPU context
-
ssetmask
-
manipulation of signal mask (obsolete)
-
subpage_prot
-
define a subpage protection for an address range
-
swab
-
swap adjacent bytes
-
symlink
-
make a new name for a file
-
symlinkat
-
make a new name for a file
-
sync
-
commit filesystem caches to disk
-
syncfs
-
commit filesystem caches to disk
-
syscall
-
indirect system call
-
sysconf
-
get configuration information at run time
-
sysctl
-
read/write system parameters
-
syslog
-
read and/or clear kernel message ring buffer; set cons...
-
tcgetpgrp
-
get and set terminal foreground process group
-
tcsetpgrp
-
get and set terminal foreground process group
-
tgkill
-
send a signal to a thread
-
tkill
-
send a signal to a thread
-
truncate
-
truncate a file to a specified length
-
truncate64
-
truncate a file to a specified length
-
ttyname
-
return name of a terminal
-
ttyname_r
-
return name of a terminal
-
ualarm
-
schedule signal after given number of microseconds
-
unlink
-
delete a name and possibly the file it refers to
-
unlinkat
-
delete a name and possibly the file it refers to
-
uselib
-
load shared library
-
userfaultfd
-
create a file descriptor for handling page faults in u...
-
usleep
-
suspend execution for microsecond intervals
-
vfork
-
create a child process and block parent
-
vhangup
-
virtually hangup the current terminal
-
write
-
write to a file descriptor
-
utime
-
change file last access and modification times
-
utimes
-
change file last access and modification times
-
getutmp
-
copy utmp structure to utmpx, and vice versa
-
getutmpx
-
copy utmp structure to utmpx, and vice versa
-
btowc
-
convert single byte to wide character
-
fgetws
-
read a wide-character string from a FILE stream
-
fputws
-
write a wide-character string to a FILE stream
-
fwide
-
set and determine the orientation of a FILE stream
-
getwchar
-
read a wide character from standard input
-
mbrlen
-
determine number of bytes in next multibyte character
-
mbrtowc
-
convert a multibyte sequence to a wide character
-
mbsinit
-
test for initial shift state
-
mbsnrtowcs
-
convert a multibyte string to a wide-character string
-
mbsrtowcs
-
convert a multibyte string to a wide-character string ...
-
putwchar
-
write a wide character to standard output
-
ungetwc
-
push back a wide character onto a FILE stream
-
wcpcpy
-
copy a wide-character string, returning a pointer to i...
-
wcpncpy
-
copy a fixed-size string of wide characters, returning...
-
wcrtomb
-
convert a wide character to a multibyte sequence
-
wcscasecmp
-
compare two wide-character strings, ignoring case
-
wcscat
-
concatenate two wide-character strings
-
wcschr
-
search a wide character in a wide-character string
-
wcscmp
-
compare two wide-character strings
-
wcscpy
-
copy a wide-character string
-
wcscspn
-
search a wide-character string for any of a set of wid...
-
wcsdup
-
duplicate a wide-character string
-
wcslen
-
determine the length of a wide-character string
-
wcsncasecmp
-
compare two fixed-size wide-character strings, ignorin...
-
wcsncat
-
concatenate two wide-character strings
-
wcsncmp
-
compare two fixed-size wide-character strings
-
wcsncpy
-
copy a fixed-size string of wide characters
-
wcsnlen
-
determine the length of a fixed-size wide-character st...
-
wcsnrtombs
-
convert a wide-character string to a multibyte string
-
wcspbrk
-
search a wide-character string for any of a set of wid...
-
wcsrchr
-
search a wide character in a wide-character string
-
wcsrtombs
-
convert a wide-character string to a multibyte string
-
wcsspn
-
get length of a prefix wide-character substring
-
wcsstr
-
locate a substring in a wide-character string
-
wcstok
-
split wide-character string into tokens
-
wcswidth
-
determine columns needed for a fixed-size wide-charact...
-
wctob
-
try to represent a wide character as a single byte
-
wcwidth
-
determine columns needed for a wide character
-
wmemchr
-
search a wide character in a wide-character array
-
wmemcmp
-
compare two arrays of wide-characters
-
wmemcpy
-
copy an array of wide-characters
-
wmemmove
-
copy an array of wide-characters
-
wmemset
-
fill an array of wide-characters with a constant wide ...
-
iswalnum
-
test for alphanumeric wide character
-
iswalpha
-
test for alphabetic wide character
-
iswblank
-
test for whitespace wide character
-
iswcntrl
-
test for control wide character
-
iswctype
-
wide-character classification
-
iswdigit
-
test for decimal digit wide character
-
iswgraph
-
test for graphic wide character
-
iswlower
-
test for lowercase wide character
-
iswprint
-
test for printing wide character
-
iswpunct
-
test for punctuation or symbolic wide character
-
iswspace
-
test for whitespace wide character
-
iswupper
-
test for uppercase wide character
-
iswxdigit
-
test for hexadecimal digit wide character
-
towctrans
-
wide-character transliteration
-
towlower
-
convert a wide character to lowercase
-
towlower_l
-
convert a wide character to lowercase
-
towupper
-
convert a wide character to uppercase
-
towupper_l
-
convert a wide character to uppercase
-
wctrans
-
wide-character translation mapping
-
wctype
-
wide-character classification
-
wordexp
-
perform word expansion like a posix-shell
-
wordfree
-
perform word expansion like a posix-shell