1 files changed, 21 insertions, 0 deletions
diff --git a/socket_recv.c b/socket_recv.c
new file mode 100644
index 0000000..8bc59c5
--- /dev/null
+++ b/socket_recv.c
@@ -0,0 +1,21 @@
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include "byte.h"
+#include "socket.h"
+
+int socket_recv4(int s,char *buf,int len,char ip[4],uint16 *port)
+{
+  struct sockaddr_in sa;
+  int dummy = sizeof sa;
+  int r;
+
+  r = recvfrom(s,buf,len,0,(struct sockaddr *) &sa,&dummy);
+  if (r == -1) return -1;
+
+  byte_copy(ip,4,(char *) &sa.sin_addr);
+  uint16_unpack_big((char *) &sa.sin_port,port);
+
+  return r;
+}