#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int verbose=0;

void default_parse_args (int argc, const char *argv[]) {
    const char *progname=argv[0];
    argc--; argv++;
    while (argc>0) {
	if (strcmp(argv[0],"-v")==0) {
	    verbose=1;
	} else if (strcmp(argv[0],"-q")==0) {
	    verbose=0;
	} else {
	    fprintf(stderr, "Usage:\n %s [-v] [-q]\n", progname);
	    exit(1);
	}
	argc--; argv++;
    }
}