stpcpy - copy a string returning a pointer to its end
#include <string.h>
char *stpcpy(char *dest, const char *src);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
stpcpy():
- Since glibc 2.10:
_POSIX_C_SOURCE >= 200809L
- Before glibc 2.10:
_GNU_SOURCE
The stpcpy() function copies the string pointed to
by src
(including the terminating null byte ('\0')) to the
array pointed to by dest
. The strings may not overlap, and the
destination string dest
must be large enough to receive the
copy.
stpcpy() returns a pointer to the
end of the string dest
(that is, the address
of the terminating null byte) rather than the beginning.
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
stpcpy() | Thread safety | MT-Safe |
This function was added to POSIX.1-2008. Before that, it was not part of the C or POSIX.1 standards, nor customary on UNIX systems. It first appeared at least as early as 1986, in the Lattice C AmigaDOS compiler, then in the GNU fileutils and GNU textutils in 1989, and in the GNU C library by 1992. It is also present on the BSDs.
This function may overrun the buffer dest
.
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