program_name
void program_name(char *in, char *out, int size);
program_name(argv[0], pname, sizeof pname);
program_name(argv[0], pname, sizeof(pname));
program_name(argv[0], pname, sizeof pname);
program_name, vp->vers_name, tirpcflag? "netpath" : "udp");
write_sample_client(const char *program_name, version_list *vp)
pvname(program_name, vp->vers_num);