ref: 5cee3c5e3fdc511a468879104c08a1aa0e8c2b0f
dir: /tests/libc/execute/0016-strcspn.c/
#include <assert.h>
#include <stdio.h>
#include <string.h>
/*
output:
testing
done
end:
*/
int
main()
{
puts("testing");
assert(strcspn("0125", "56789") == 3);
assert(strcspn("", "56789") == 0);
assert(strcspn("01234", "") == 5);
assert(strcspn("", "") == 0);
puts("done");
return 0;
}