Omron CJ1W-ETN21 operation manual 186

FINS/TCP Method			Section 7-4
Sample Program
	1	#include <errno.h>
	2	#include <stdio.h>
		#include <sys/types.h>
	3
	4	#include <sys/socket.h>
	5	#include <netinet/in.h>
	6	#include <signal.h>
	7
	8	#define FINS_TCP_PORT 9600
	9	#define SERV_IP_ADDR	"196.36.32.100"/* Ethernet Unit IP ADDRESS*/
	10	#define MAX_MSG 2010
	11	#define MAX_HEADER 32
	12	#define RESP_TIMEOUT 2
	13
	14
	15	/*
	16	* FINS/TCP COMMUNICATIONS SAMPLE PROGRAM
	17	*/
	18	main(argc,argv)
	19	int argc;
	20	char *argv[];
	21	{
	22	int sockfd;
		struct sockaddr_in ws_addr, cs_addr;
	23
	24	unsigned char fins_cmnd[MAX_MSG], fins_resp[MAX_MSG], fins_tcp_header[MAX_HEADER];
	25	unsigned char srv_node_no, cli_node_no;
	26	int sendlen, recvlen;
	27	char sid = 0;
	28	extern recv_fail();
	29
	30	/*GENERATE TCP	SOCKET*/
	31	if ((sockfd = socket(AF_INET,SOCK_STREAM,0)) < 0)
	32	err_exit("can't open stream socket");

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