Leaked source code of windows server 2003
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/*
* History: * * ??-???-???? ?? Created * 15-Sep-1988 bw Added REM_*, changed REMatch parameters.*/
#define MAXPATARG 10 /* 0 is entire 1-9 are valid */
/* Return codes from REMatch */
#define REM_MATCH 0 /* A match was found */
#define REM_NOMATCH 1 /* No match was found */
#define REM_UNDEF 2 /* An undefined Op-code was encountered */
#define REM_STKOVR 3 /* The stack overflowed */
#define REM_INVALID 4 /* A parameter was invalid */
typedef unsigned char RE_OPCODE;
/* structure of compiled pattern */
struct patType { flagType fCase; /* TRUE => case is significant */ flagType fUnix; /* TRUE => use unix replacement */ char *pArgBeg[MAXPATARG]; /* beginning of tagged strings */ char *pArgEnd[MAXPATARG]; /* end of tagged strings */ RE_OPCODE code[1]; /* pseudo-code instructions */};
/* if RECompile fails and RESize == -1, then the input pattern had a syntax
* error. If RESize != -1, then we were not able to allocate enough memory * to contain the pattern pcode */int RESize; /* estimated size of pattern */
int REMatch(struct patType *,char *,char *,RE_OPCODE *[], unsigned, flagType );struct patType *RECompile(char *, flagType, flagType);char REGetArg(struct patType *,int ,char *);char RETranslate(struct patType *,char *,char *);int RELength(struct patType *,int );char *REStart(struct patType *);
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