ref: 419ebc8cada738e12a89dfe4d47a414b7dde96f3
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;
}