#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>

#include <err.h>
#include <netdb.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "xlib.h"

void *xmalloc(size_t size)
{
	void *p = malloc(size);
	if (p == NULL)
		err(EXIT_FAILURE, "malloc");
	return p;
}

void *xrealloc(void *ptr, size_t size)
{
	void *p = realloc(ptr, size);
	if (p == NULL)
		err(EXIT_FAILURE, "realloc");
	return p;
}

char *xstrdup(const char *str)
{
	char *s = strdup(str);
	if (s == NULL)
		err(EXIT_FAILURE, "strdup");
	return s;
}