text: /* Program name management.
     Copyright (C) 2001-2004, 2006, 2009-2015 Free Software Foundation, Inc.
     Written by Bruno Haible <bruno@clisp.org>, 2001.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  #ifndef _PROGNAME_H
  #define _PROGNAME_H
  
  /* Programs using this file should do the following in main():
       set_program_name (argv[0]);
   */
  
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  
  /* String containing name the program is called with.  */
  extern const char *program_name;
  
  /* Set program_name, based on argv[0].
     argv0 must be a string allocated with indefinite extent, and must not be
     modified after this call.  */
  extern void set_program_name (const char *argv0);
  
  #if ENABLE_RELOCATABLE
  
  /* Set program_name, based on argv[0], and original installation prefix and
     directory, for relocatability.  */
  extern void set_program_name_and_installdir (const char *argv0,
                                               const char *orig_installprefix,
                                               const char *orig_installdir);
  #undef set_program_name
  #define set_program_name(ARG0) \
    set_program_name_and_installdir (ARG0, INSTALLPREFIX, INSTALLDIR)
  
  /* Return the full pathname of the current executable, based on the earlier
     call to set_program_name_and_installdir.  Return NULL if unknown.  */
  extern char *get_full_program_name (void);
  
  #endif
  
  
  #ifdef __cplusplus
  }
  #endif
  
  
  #endif /* _PROGNAME_H */
  