#define uchar _utfuchar
#define ushort _utfushort
#define uint _utfuint
#define ulong _utfulong
#define vlong _utfvlong
#define uvlong _utfuvlong

typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;

#define nelem(x) (sizeof(x) / sizeof((x)[0]))
#define nil ((void *)0)