// Some global declarations//const int MAXINT       =  2147483647;//const float FLOATMAX   =  3.40282346638528860e+38;//const double MAXDOUBLE =  7.23700557733226211e+75;#define NIL 0#include <stdlib.h>#define TRUE 1#define FALSE 0typedef char CHAR;typedef int LINT;typedef float FLOAT;typedef double DOUBLE;typedef unsigned char BOOLEAN;// typedef unsigned char UCHAR;// typedef short int SINT;// typedef unsigned short USINT;// typedef unsigned int ULINT;// typedef double DOUBLEPRECISION;#define max(a, b) ((a) > (b) ? (a) : (b))#define min(a, b) ((a) < (b) ? (a) : (b))// useful typestypedef char *Filename;typedef LINT Item;typedef LINT Tid;typedef LINT Cid;