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strcspn (3)
STRSPN(3) Linux Programmer's Manual STRSPN(3)
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), wcsspn(3), wcscspn(3)
1993-04-12 STRSPN(3)
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