/********************************************************************
 * wilkinson
 * 3.7VMS
 * 1995/09/25 10:45   
 * gopher_root1:[gopher.g2.vms2_13.object]Regex.h,v
 * Exp
 *
 * Paul Lindner, University of Minnesota CIS.
 *
 * Copyright 1991, 1992 by the Regents of the University of Minnesota
 * see the file "Copyright" in the distribution for conditions of use.
 *********************************************************************
 * MODULE: Regex.h
 * Portable method of doing regular expressions
 *********************************************************************
 * Revision History:
 * Regex.h,v
 * Revision 3.7VMS 1995/09/25 10:45    wilkinson
 * Consolodate VMS/Unix source code for server as well as client
 * - use __VMS instead of VMS as trigger for VMS items
 *
 * Revision 3.7  1994/07/25  13:56:54  lindner
 * First crack at POSIX regular expressions
 *
 * Revision 3.6  1994/07/21  17:29:13  lindner
 * Fix typo
 *
 * Revision 3.5  1994/03/08  04:04:16  lindner
 * add regex.h for NeXT systems
 *
 * Revision 3.4  1994/03/04  17:42:00  lindner
 * Fix for SCO machines
 *
 * Revision 3.3  1994/02/20  16:24:02  lindner
 * no message
 *
 * Revision 3.2  1993/10/27  18:50:38  lindner
 * Support for more sysv platforms
 *
 * Revision 3.1  1993/10/19  20:48:26  lindner
 * Portable versions of Regular expression routines for System V and BSD..
 *
 *
 *********************************************************************/

/*
 * Posix Regular expressions routines
 */

#if defined(REGEX_POSIX)
#  include "Malloc.h"
#  include <libgen.h>

#  define re_comp(a) REGEX_param=regcomp(a,NULL)
#  define re_exec(a) regex(REGEX_param,a)

#  undef  REGEX_POSIX
#  define REGEX_POSIX

#endif

#if defined(USG) || defined(__svr4__) || defined(_AUX_SOURCE) || defined(hpux) || defined(irix) || defined(M_XENIX) || defined(SYSVREGEX)

#  include "Malloc.h"  /** For NULL **/

#  ifdef  REGEX_CODEIT
#     define INIT   register char *sp = instring;
#     define GETC() (*sp++)
#     define PEEKC()     (*sp)
#     define UNGETC(c)   (--sp)
#     define RETURN(c)   return(NULL);
#     define ERROR(c)    return("error")

#     include <regexp.h>
#     define REGEX_SYSV

#  endif
  /*** BSDize the puppy ***/
  char *re_comp();
  int  re_exec();

#else
  /** BSD regex.. **/
#  ifdef NeXT
#    include <regex.h>
#  endif

#ifdef __VMS
char *re_comp(char *);
int re_exec(char *);
#endif

#endif
.