ref: 2a61dfcd596b6da4d31379663a20e4fe0566cc17
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;
}