#ifndef _MAINDEF_#define _MAINDEF_/* for 16/32 bits architecture */typedef unsigned char  byte;typedef unsigned short word;typedef unsigned long  dword;typedef unsigned char  boolean;typedef unsigned char  BIT;typedef signed  short  int16;#define TRUE  1#define FALSE 0#ifndef max#define max(a,b)    (((a) > (b)) ? (a) : (b))#define min(a,b)    (((a) < (b)) ? (a) : (b))#endif#endif