#include <u.h>
#include <libc.h>
#include "/sys/include/stdio.h"
#include "/sys/include/ctype.h"
#define RAND_MAX 0x7fffffff
#define exit(x) exits(x ? "the front fell off" : nil)
#define strcasecmp cistrcmp
#define strncasecmp cistrncmp
typedef ulong size_t;