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program_invocation_name(3)brary Functions Manualogram_invocation_name(3)
program_invocation_name, program_invocation_short_name - obtain name used to invoke calling program
Standard C library (libc, -lc)
#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <errno.h> extern char *program_invocation_name; extern char *program_invocation_short_name;
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.
The Linux-specific /proc/pid/cmdline file provides access to similar information.
GNU.
proc(5)
Linux man-pages 6.04 2023-03-30 program_invocation_name(3)
Pages that refer to this page: error(3), systemd.journal-fields(7)
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