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wcslen(3) [osf1 man page]

wcslen(3)						     Library Functions Manual							 wcslen(3)

wcslen - Finds length of wide-character string LIBRARY
Standard C Library (libc) SYNOPSIS
#include <wchar.h> size_t wcslen( const wchar_t *wstr); STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: wcslen(): XSH5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. PARAMETERS
Specifies the wide-character string. DESCRIPTION
The wcslen() function returns the number of wide characters, excluding the terminating null wide character, in the string pointed to by the wstr parameter. RETURN VALUES
Upon successful completion, the wcslen() function returns the number of wide characters in the string to which the wstr parameter points. [Tru64 UNIX] The function returns (size_t)-1 if *wstr is not a valid pointer. RELATED INFORMATION
Functions: mbstowcs(3), string(3), strlen(3), wcscat(3), wcsstr(3), wcswcs(3) Others: standards(5) delim off wcslen(3)

Check Out this Related Man Page

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

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''). 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. SEE ALSO
strlen(3) COLOPHON
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2015-08-08 WCSLEN(3)
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