Man page - wcscspn(3)

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Manual

wcscspn

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
STANDARDS
HISTORY
SEE ALSO

NAME

wcscspn - search a wide-character string for any of a set of wide characters

LIBRARY

Standard C library ( libc , -lc )

SYNOPSIS

#include <wchar.h>

size_t wcscspn(const wchar_t * wcs , const wchar_t * reject );

DESCRIPTION

The wcscspn () function is the wide-character equivalent of the strcspn (3) function. It determines the length of the longest initial segment of wcs which consists entirely of wide-characters not listed in reject . In other words, it searches for the first occurrence in the wide-character string wcs of any of the characters in the wide-character string reject .

RETURN VALUE

The wcscspn () function returns the number of wide characters in the longest initial segment of wcs which consists entirely of wide-characters not listed in reject . In other words, it returns the position of the first occurrence in the wide-character string wcs of any of the characters in the wide-character string reject , or wcslen(wcs) if there is none.

ATTRIBUTES

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

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STANDARDS

C11, POSIX.1-2008.

HISTORY

POSIX.1-2001, C99.

SEE ALSO

strcspn (3), wcspbrk (3), wcsspn (3)