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/* Program name management.
Copyright (C) 2001-2004, 2006, 2009-2020 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 <https://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 */
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