Next: wcspbrk
—-scan wide-character string for a wide-character code, Previous: wcpncpy
—copy part of a wide-character string returning a pointer to its end, Up: Wide Character Strings (wchar.h) [Contents][Index]
wcsnlen
—get fixed-size wide-character string lengthSynopsis
#include <wchar.h> size_t wcsnlen(const wchar_t *s, size_t maxlen);
Description
The wcsnlen
function computes the number of wide-character codes
in the wide-character string pointed to by s not including the
terminating L’\0’ wide character but at most maxlen wide
characters.
Returns
wcsnlen
returns the length of s if it is less then maxlen,
or maxlen if there is no L’\0’ wide character in first maxlen
characters.
Portability
wcsnlen
is a GNU extension.
wcsnlen
requires no supporting OS subroutines.