ref: 68f7219f21c64aa4d1816f9c2ab454d90634666c
dir: /tests/libc/execute/0025-strspn.c/
#include <assert.h>
#include <stdio.h>
#include <string.h>
/*
output:
testing
done
end:
*/
int
main()
{
puts("testing");
assert(strspn("abccdef", "cba") == 4);
assert(strspn("abcg", "cba0") == 3);
assert(strspn("", "abc") == 0);
assert(strspn("abc", "") == 0);
assert(strspn("", "") == 0);
assert(strspn("abc", "def") == 0);
puts("done");
return 0;
}