wcslen - Man Page

determine the length of a wide-character string

Library

Standard C library (libc, -lc)

Synopsis

#include <wchar.h>

size_t wcslen(const wchar_t *s);

Description

The wcslen() function is the wide-character equivalent of the strlen(3) function. It determines the length of the wide-character string pointed to by s, excluding the terminating null wide character (L'\0').

Return Value

The wcslen() function returns the number of wide characters in s.

Attributes

For an explanation of the terms used in this section, see attributes(7).

InterfaceAttributeValue
wcslen()Thread safetyMT-Safe

Standards

POSIX.1-2001, POSIX.1-2008, C99.

Notes

In cases where the input buffer may not contain a terminating null wide character, wcsnlen(3) should be used instead.

See Also

strlen(3)

Referenced By

signal-safety(7), strlen(3), wcsnlen(3).

2022-10-09 Linux man-pages 6.01