program_invocation_name(3) — Linux manual page
program_...tion_name(3) Library Functions Manual program_...tion_name(3)
NAME
program_invocation_name, program_invocation_short_name - obtain
name used to invoke calling program
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <errno.h>
extern char *program_invocation_name;
extern char *program_invocation_short_name;
DESCRIPTION
program_invocation_name contains the name that was used to invoke
the calling program. This is the same as the value of argv[0] in
main(), with the difference that the scope of
program_invocation_name is global.
program_invocation_short_name contains the basename component of
name that was used to invoke the calling program. That is, it is
the same value as program_invocation_name, with all text up to
and including the final slash (/), if any, removed.
These variables are automatically initialized by the glibc run-
time startup code.
VERSIONS
The Linux-specific /proc/pid/cmdline file provides access to
similar information.
STANDARDS
GNU.
SEE ALSO
proc(5)
COLOPHON
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
This page was obtained from the tarball man-pages-6.9.1.tar.gz
fetched from
⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
2024-06-26. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
man-pages@man7.org
Linux man-pages 6.9.1 2024-05-02 program_...tion_name(3)
Pages that refer to this page: error(3), systemd.journal-fields(7)