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RedHat 9 (Linux i386) - man page for strspn (redhat section 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 char- acters 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
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strsep(3), strstr(3), strtok(3) 1993-04-12 STRSPN(3)


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