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Index for Section 3 |
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Alphabetical listing for W |
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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 standards
as follows:
wcslen(): ISO C, XPG4
Refer to the standards(5) reference page for more information about
industry standards and associated tags.
PARAMETERS
wstr 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),
wcswcs(3)