ref: d4eb944af8f3300db2c7683dec0f8d1fb431560c
dir: /tests/libc/execute/0018-strlen.c/
#include <assert.h>
#include <stdio.h>
#include <string.h>
/*
output:
testing
done
end:
*/
int
main()
{
puts("testing");
assert(strlen("01234") == 5);
assert(strlen("") == 0);
puts("done");
return 0;
}