1program_invocation_name(3) Library Functions Manual program_invocation_name(3)
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NAME

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

10       Standard C library (libc, -lc)
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SYNOPSIS

13       #define _GNU_SOURCE         /* See feature_test_macros(7) */
14       #include <errno.h>
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16       extern char *program_invocation_name;
17       extern char *program_invocation_short_name;
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DESCRIPTION

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

34       The  Linux-specific  /proc/pid/cmdline  file provides access to similar
35       information.
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STANDARDS

38       GNU.
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SEE ALSO

41       proc(5)
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45Linux man-pages 6.05              2023-03-30        program_invocation_name(3)
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