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#include "util.h"
#include <stdio.h>
#include <unistd.h>
#include <netdb.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
void print_hostname(void)
{
char hostname[255];
struct hostent *h;
gethostname(hostname, sizeof(hostname));
h = gethostbyname(hostname);
printf("%s\n", (h ? h->h_name : "(none)"));
}
void setD(int* c,const char* name, double* ar, double i)
{
(*c)++;
if ((*c) > 2) {
fprintf(stderr, "%s:error: only two parameters at a time\n", name);
exit(2);
}
ar[1] = i;
if (*c == 1) ar[0] = i;
}
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