NAME

strcspn — get length of a complementary substring

SYNOPSIS

#include <string.h>

size_t strcspn(const char *s1, const char *s2);

DESCRIPTION

The strcspn() function computes the length of the maximum initial segment of the string pointed to by s1 which consists entirely of bytes not from the string pointed to by s2 .

RETURN VALUE

The strcspn() function returns the length of the computed segment of the string pointed to by s1 ; no return value is reserved to indicate an error.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

strspn(3) , <string.h> .

DERIVATION

Derived from Issue 1 of the SVID.