-#include <sys/socket.h> /* socket library */
-#include <stdio.h> /* include standard I/O library */
-#include <errno.h> /* include error codes */
-#include <string.h> /* include erroro strings definitions */
+#include <sys/socket.h> /* socket constants, types and functions */
+#include <stdio.h> /* standard I/O library */
+#include <errno.h> /* error definitions and routines */
+#include <string.h> /* C strings library */