STRSPN(3) UNIX Programmer's Manual STRSPN(3) NAME strspn - span a string SYNOPSIS #include <string.h> size_t strspn(s, charset) char *s; char *charset; DESCRIPTION The strcspn() function spans the initial part of the null- terminated string s as long as the characters from s occur in string charset . RETURN VALUES The strspn() function returns the number of characters spanned. SEE ALSO index(3), memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strstr(3), strtok(3) STANDARDS The strspn() function conforms to ANSI C X3.159-9189 (``ANSI C''). Printed 11/26/99 January 12, 1996 1