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wcslen(3) Library Functions Manual wcslen(3) NAME wcslen - Finds length of wide-character string LIBRARY Standard C Library (libc.so, libc.a) SYNOPSIS #include <wchar.h> size_t wcslen( const wchar_t *wstr); STANDARDS Interfaces documented on this reference page conform to industry stan- dards as follows: wcslen(): ISO C, XPG4 Refer to the standards(5) reference page for more information about in- dustry 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. [Digital] 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), wc- swcs(3) delim off wcslen(3)