socket_send.c

   1 #include <sys/types.h>
   2 #include <sys/param.h>
   3 #include <sys/socket.h>
   4 #include <netinet/in.h>
   5 #include "byte.h"
   6 #include "socket.h"
   7
   8 int socket_send4(int s,const char *buf,int len,const char ip[4],uint16 port)
   9 {
  10   struct sockaddr_in sa;
  11
  12   byte_zero(&sa,sizeof sa);
  13   sa.sin_family = AF_INET;
  14   uint16_pack_big((char *) &sa.sin_port,port);
  15   byte_copy((char *) &sa.sin_addr,4,ip);
  16
  17   return sendto(s,buf,len,0,(struct sockaddr *) &sa,sizeof sa);
  18 }