#include <unistd.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/time.h>
int ptn = 0;

static void
usage(char* prog)
{
    printf("Usage: %s", prog);
    printf(" -n <num of SPUs> \n");

    return ;
}

int
processopt(int argc, char **argv)
{
    char *cvalue = NULL;
    signed char c;
    opterr = 0;

    while ((c = getopt (argc, argv, "p:")) != -1){
	switch (c)
	    {
	    case 'p':
		cvalue = optarg;
		if (sscanf(cvalue, "%d", &ptn) ==0 || ptn < 0){
		    fprintf(stderr, "Invalid spu number(%d)\n", ptn);
		    return -1;
		}
		break;
	    case '?':
		if (isprint (optopt))
		    fprintf (stderr, "Unknown option `-%c'.\n", optopt);
		else
		    fprintf (stderr,
			     "Unknown option character `\\x%x'.\n",
			     optopt);
		usage(argv[0]);
		return - 1;
	    default:
		usage(argv[0]);
		return -1;
	    }	
    }
    
    
    return 0;
}