fgetwc, getwc - read a wide character from a FILE stream
The fgetwc() function is the wide-character equivalent of the fgetc(3) function. It reads a wide character from
stream and returns it. If the end of stream is reached, or if
ferror(stream) becomes true, it returns WEOF. If a wide-character conversion error occurs, it sets
errno to EILSEQ and returns WEOF.
For nonlocking counterparts, see unlocked_stdio(3).
The fgetwc() function returns the next wide-character from the stream, or WEOF. In the event of an error,
errno is set to indicate the cause.
Apart from the usual ones, there is
The data obtained from the input stream does not form a valid character.
POSIX.1-2001, POSIX.1-2008, C99.
This page is part of release 4.15 of the Linux
man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.