STRSPN
Section: Linux Programmer's Manual (3)
Updated: 1993-04-12
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NAME
strspn, strcspn - search a string for a set of characters
SYNOPSIS
#include <string.h>
size_t strspn(const char *s, const char *accept);
size_t strcspn(const char *s, const char *reject);
DESCRIPTION
The
strspn()
function calculates the length of the initial
segment of s which consists entirely of characters in
accept.
The
strcspn()
function calculates the length of the initial
segment of s which consists entirely of characters not in
reject.
RETURN VALUE
The
strspn()
function returns the number of characters in
the initial segment of s which consist only of characters
from accept.
The
strcspn()
function returns the number of characters in
the initial segment of s which are not in the string
reject.
CONFORMING TO
SVr4, 4.3BSD, C89, C99.
SEE ALSO
index(3),
memchr(3),
rindex(3),
strchr(3),
strpbrk(3),
strsep(3),
strstr(3),
strtok(3),
wcscspn(3),
wcsspn(3)
COLOPHON
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A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.