int check_argc_min(int nargs, int expected);
int check_argc_max(int nargs, int expected);
void clean_args_no_options(int argc, char *argv[], const char * const *usage);
int check_argc_min(int nargs, int expected);
int check_argc_max(int nargs, int expected);
void clean_args_no_options(int argc, char *argv[], const char * const *usage);