Man page - wcslen(3)

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Manual

wcslen(3) Library Functions Manual wcslen(3)

wcslen - determine the length of a wide-character string

Standard C library (libc, -lc)

#include <wchar.h>
size_t wcslen(const wchar_t *s);

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').

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

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

Interface Attribute Value
wcslen () Thread safety MT-Safe

C11, POSIX.1-2008.

POSIX.1-2001, C99.

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

strlen(3)

2024-06-15 Linux man-pages 6.9.1