#include <stdio.h>#include <math.h>#include <ctype.h>#include "re.h"extern unsigned char *strcpy(), *strncpy(), *strcat();extern int strlen();#define CHAR	unsigned char#define MAXPAT 128#define MAXPATT 256#define MAXDELIM 8            /* Max size of a delimiter pattern */#define SHORTREG 15#define MAXREG   30#define MAXNAME  256#define Max_Pats 12    /* max num of patterns */#define Max_Keys 12    /* max num of keywords */#define Max_Psize 128  /* max size of a pattern counting all the characters */#define Max_Keyword 31 /* the max size of a keyword */#define WORD 32        /* the size of a word */#define MaxError 8     /* the max number of errors allowed */#define MaxRerror 4    /* the max number of erros for regular expression */#define MaxDelimit 16   /* the max raw length of a user defined delimiter */#define BlockSize  49152#define Max_record 49152#define SIZE 16384       /* BlockSIze in sgrep */#define MAXLINE   1024  /* maxline in sgrep */#define Maxline   1024#define RBLOCK    8192#define RMAXLINE  1024#define MaxNext   66000#define ON 1#define OFF 0#define Compl 1#define Maxresult 10000#define MaxCan 2500#define MAXSYM 256 /* ASCII */#define WORDB     241    /* -w option */#define LPARENT   242    /* ( */#define RPARENT   243    /* ) */#define LRANGE    244    /* [ */#define RRANGE    245    /* ] */#define LANGLE    246    /* < */#define RANGLE    247    /* > */#define NOTSYM    248    /* ^ */#define WILDCD    249    /* wildcard */#define ORSYM     250   /* | */#define ORPAT     251   /* , */#define ANDPAT    252   /* ; */#define STAR      253   /* closure */#define HYPHEN    237   /* - */#define NOCARE    238   /* . */#define NNLINE    239   /* special symbol for newline in begin of pattern*/                       /* matches '\n' and NNLINE */