1INVOCATION_NAME(3)         Linux Programmer's Manual        INVOCATION_NAME(3)
2
3
4

NAME

6       program_invocation_name,  program_invocation_short_name  -  obtain name
7       used to invoke calling program
8

SYNOPSIS

10       #define _GNU_SOURCE
11       #include <errno.h>
12
13       extern char *program_invocation_name;
14       extern char *program_invocation_short_name;
15

DESCRIPTION

17       program_invocation_name contains the name that was used to  invoke  the
18       calling  program.   This is the same as the value of argv[0] in main(),
19       with the  difference  that  the  scope  of  program_invocation_name  is
20       global.
21
22       program_invocation_short_name  contains  the basename component of name
23       that was used to invoke the calling program.  That is, it is  the  same
24       value as program_invocation_name, with all text up to and including the
25       final slash (/), if any, removed.
26
27       These variables are automatically initialized  by  the  glibc  run-time
28       startup code.
29

CONFORMING TO

31       These  variables are GNU extensions, and should not be used in programs
32       intended to be portable.
33

NOTES

35       The Linux-specific /proc/[number]/cmdline file provides access to simi‐
36       lar information.
37

SEE ALSO

39       proc(5), feature_test_macros(7)
40

COLOPHON

42       This  page  is  part of release 3.25 of the Linux man-pages project.  A
43       description of the project, and information about reporting  bugs,  can
44       be found at http://www.kernel.org/doc/man-pages/.
45
46
47
48GNU                               2006-04-29                INVOCATION_NAME(3)