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WCSLEN(3) Linux Programmer's Manual WCSLEN(3)

NAME

wcslen - determine the length of a wide-character string

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).

Interface Attribute Value
wcslen () Thread safety MT-Safe

CONFORMING TO

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)

COLOPHON

This page is part of release 5.13 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/.

2021-08-27 GNU