7-11 UNIX�\�P�b�gSOCK_DGRAM���M��

#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>

int
main()
{
  int sock;
  struct sockaddr_un addr;
  int n;

  sock = socket(AF_UNIX, SOCK_DGRAM, 0);

  addr.sun_family = AF_UNIX;
  strcpy(addr.sun_path, "/tmp/afu_dgram");

  n = sendto(sock, "HOGE\n", 5, 0, (struct sockaddr *)&addr, sizeof(addr));

  printf("send data\n");

  close(sock);

  return 0;
}

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