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wcsnlen

man page of wcsnlen

wcsnlen: determine the length of a fixed-size wide-character string

NAME

wcsnlen - determine the length of a fixed-size wide-character string

SYNOPSIS

#include <wchar.h> size_t wcsnlen(const wchar_t *s, size_t maxlen); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): wcsnlen(): Since glibc 2.10: _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE

DESCRIPTION

The wcsnlen() function is the wide-character equivalent of the strnlen(3) function. It returns the number of wide-characters in the string pointed to by s, not including the terminating L'\0' character, but at most maxlen. In doing this, wcsnlen() looks only at the first maxlen wide-characters at s and never beyond s+maxlen.
RETURN VALUE
The wcsnlen() function returns wcslen(s), if that is less than maxlen, or maxlen if there is no L'\0' character among the first maxlen wide characters pointed to by s.
VERSIONS
The wcsnlen() function is provided in glibc since version 2.1.

CONFORMING TO

This function is a GNU extension.

SEE ALSO

strnlen(3), wcslen(3)

COLOPHON

This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at //www.kernel.org/doc/man-pages/. WCSNLEN(3)
 
 
 

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