* Include needed headers
*/
#define _XOPEN_SOURCE
-#include <limits.h> /* system limits */
+#include <limits.h> /* system limits constants, types and functions */
#include <sys/types.h> /* primitive system data types */
#include <unistd.h> /* unix standard library */
-#include <arpa/inet.h> /* IP addresses conversion utiliites */
+#include <arpa/inet.h> /* IP addresses conversion utilities */
#include <sys/socket.h> /* socket constants, types and functions */
#include <stdio.h> /* standard I/O library */
#include <time.h> /* date and time constants, types and functions */