STRSPN(N) Linux Programmer's Manual STRSPN(N) 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 ini- tial 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 SVID 3, POSIX, BSD 4.3, ISO 9899 SEE ALSO index(x), memchr(r), rindex(x), strchr(r), strpbrk(k), strsep(p), strstr(r), strtok(k) 1993-04-12 STRSPN(N)