| #define __GNU_SOURCE | |
| #include <errno.h> | |
| #include <stdio.h> | |
| extern char *program_invocation_name; | |
| extern char *program_invocation_short_name; | |
| int main(int argc, char **argv) | |
| { | |
| printf("argc: %d, argv[0]: %s\n", argc, argv[0]); | |
| printf("program_invocation_name: %s\n", program_invocation_name); | |
| return 0; | |
| } |