// regexp.h// UnderC Development Project, 2002// These are the POSIX regular expression functions.// (Interface to the GNU RX library)#ifndef __REGEXP_H#define __REGEXP_H#ifndef __linux__#pragma dlink rx.dll#else#pragma dlink libc.so.6#endiftypedef unsigned long size_t;// really aren't interested in all the other fields...struct regex_t {  long p1,p2;  size_t re_nsub;  char rest[300];}; /* Type for byte offsets within the string.  POSIX mandates this.  */typedef int regoff_t;struct regmatch_t{  regoff_t rm_so; 		// Byte offset from string's start to substring's start.    regoff_t rm_eo;  		// Byte offset from string's start to substring's end.  // *fix 1.2.2 The GLIB implementation is slightly different....#ifndef __linux__  regoff_t final_tag;		// data from the cut operator (only pmatch[0]) #endif};// POSIX `cflags' bits (i.e., information for `regcomp').const int REG_EXTENDED = 1, REG_ICASE = 1 << 1, REG_NEWLINE = 1 << 2, REG_NOSUB = 1 << 3;// POSIX 'eflags' biits (for regexec)const int REG_NOTBOL = 1, REG_NOTEOL = 1 << 1, REG_ALLOC_REGS = 1 << 2;#define REG_NOERROR	0		/* Success.  */#define REG_NOMATCH	1		/* Didn't find a match (for regexec).  */// this stuff comes directly from inst-rxposix.h/* POSIX regcomp return error codes.   * (In the order listed in the standard.)   */#define REG_BADPAT	2		/* Invalid pattern.  */#define REG_ECOLLATE	3		/* Not implemented.  */#define REG_ECTYPE	4		/* Invalid character class name.  */#define REG_EESCAPE	5		/* Trailing backslash.  */#define REG_ESUBREG	6		/* Invalid back reference.  */#define REG_EBRACK	7		/* Unmatched left bracket.  */#define REG_EPAREN	8		/* Parenthesis imbalance.  */ #define REG_EBRACE	9		/* Unmatched \{.  */#define REG_BADBR	10		/* Invalid contents of \{\}.  */#define REG_ERANGE	11		/* Invalid range end.  */#define REG_ESPACE	12		/* Ran out of memory.  */#define REG_BADRPT	13		/* No preceding re for repetition op.  *//* Error codes we've added.   */#define REG_EEND	14		/* Premature end.  */#define REG_ESIZE	15		/* Compiled pattern bigger than 2^16 bytes.  */#define REG_ERPAREN	16		/* Unmatched ) or \); not returned from regcomp.  */extern "C" { int regcomp  (regex_t * preg, const char * pattern, int cflags); int regerror (int errcode, const regex_t *preg,   		  char *errbuf, size_t errbuf_size); int regexec (const regex_t *preg, const char *str,                 size_t nmatch, regmatch_t pmatch[], int eflags); int regnexec (const regex_t *preg, const char *str,int sz,                 size_t nmatch, regmatch_t pmatch[], int eflags); void regfree (regex_t *preg);}#pragma dlink#endif