STRCSPN(3)

NAME
strcspn - span the complement of a string

SYNOPSIS
#include <string.h>
size_t
strcspn(const char *s, const char *charset);

DESCRIPTION
The strcspn() function spans the initial part of the null-terminated string s as long as the characters from s do not occur in string charset (it spans the complement of charset).

RETURN VALUES
The strcspn() function returns the number of characters spanned.

SEE ALSO
index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3)

STANDARDS
The strcspn() function conforms to ansiC.