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AIX Version 4.3 Communications Programming Concepts
Reading UNIX Datagrams Example Program
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <stdio.h>
#define NAME "socket"
/*
* This program creates a UNIX domain datagram socket, binds a
* name to it, then reads from the socket.
*/
main()
{
int sock, length;
struct sockaddr_un name;
char buf[1024];
/* Create socket from which to read. */
sock = socket(AF_UNIX, SOCK_DGRAM, 0);
if (sock < 0) {
perror("opening datagram socket");
exit(1);
}
/* Create name. */
name.sun_family = AF_UNIX;
strcpy(name.sun_path, NAME);
name.sun_len = strlen(name.sun_path);
if (bind(sock, (struct sockaddr *)&name, SUN_LEN(&name))) {
perror("binding name to datagram socket");
exit(1);
}
printf("socket -->%s\n", NAME);
/* Read from the socket. */
if (read(sock, buf, 1024) < 0)
perror("receiving datagram packet");
printf("-->%s\n", buf);
close(sock);
unlink(NAME);
}
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