STRSPN(3)STRSPN(3)NAME
strspn - span a string
SYNOPSIS
#include <string.h>
size_t
strspn(const char *s, const char *charset);
DESCRIPTION
Strcspn spans the initial part of the null-terminated string s as long
as the characters from s occur in string charset. Strspn returns the
number of characters spanned.
SEE ALSOindex(3), memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), str‐
rchr(3), strsep(3), strstr(3), strtok(3)STANDARDS
Strspn conforms to ANSI X3.159-1989 (``ANSI C'').
4.4 Berkeley Distribution May 15, 1990 STRSPN(3)