scc

 1#include <assert.h>
 2#include <stdio.h>
 3#include <string.h>
 4
 5/*
 6output:
 7testing
 8done
 9end:
10*/
11
12int
13main()
14{
15	puts("testing");
16	assert(strspn("abccdef", "cba") == 4);
17	assert(strspn("abcg", "cba0") == 3);
18	assert(strspn("", "abc") == 0);
19	assert(strspn("abc", "") == 0);
20	assert(strspn("", "") == 0);
21	assert(strspn("abc", "def") == 0);
22	puts("done");
23
24	return 0;
25}