#ifndef __BASIC__ 
#define __BASIC__

#include	<sys/types.h>	/* basic system data types */
#include	<sys/socket.h>	/* basic socket definitions */
#include	<sys/time.h>	/* timeval{} for select() */
#include	<time.h>		/* timespec{} for pselect() */
#include	<netinet/in.h>	/* sockaddr_in{} and other Internet defns */
#include	<arpa/inet.h>	/* inet(3) functions */
#include	<errno.h>
#include	<fcntl.h>		/* for nonblocking */
#include	<netdb.h>
#include	<signal.h>
#include	<stdio.h>
#include	<stdlib.h>
#include	<string.h>
#include	<sys/stat.h>	/* for S_xxx file mode constants */
#include	<sys/uio.h>		/* for iovec{} and readv/writev */
#include	<unistd.h>
#include	<sys/wait.h>
#include	<sys/un.h>		/* for Unix domain sockets */

#define MAXLINE 256
#define PORT  12345
#define BACKLOG 5 
#define MAX(a, b) ((a) > (b) ? (a) : (b))

#endif