Name
program_invocation_name, program_invocation_short_name - \ obtain name used to invoke calling programLibrary
Standard C library ( libc ", " -lc )Synopsis
"#define(7)_GNU_SOURCE" " /* See feature_test_macros */" #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] inmain (),
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)