skkserv causes SEGV in initializing on amd64.

Fix: Need prototypes in the environment sizeof (int) != sizeof (pointer).

#include       <stdio.h>
+#include       <stdlib.h>
+#include       <string.h>

 #include       <sys/types.h>
 #ifdef HAVE_SYS_IOCTL_H
@@ -44,6 +46,7 @@
 #endif
 #include       <sys/socket.h>
 #include       <netinet/in.h>
+#include       <arpa/inet.h>
 #include       <netdb.h>
 #include       <signal.h>
 #include       <errno.h>



The following patch is to suppress a warning.



if (FD_ISSET(initsock, &readfds)) {
       len = sizeof(from);
-      if ((clientsock[nclients ++] = accept(initsock, &from, &len)) < 0) {
+      if ((clientsock[nclients ++] = accept(initsock, (struct sockaddr*)&from, &len)) < 0) {
        err("accept error; something wrong happened with the socket");
       }
       if (nclients >= MAXDTAB - 3 - debug * 2) {--IwDI80Mbb5SdouGSj5m4L9TSRxDVrPbB7nFpdXpXEE7EHDzn
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diff -rpub japanese/skkserv/work/skk-9.6/skkserv/skkserv.h japanese/skkserv/work.koie/skk-9.6/skkserv/skkserv.h
--- japanese/skkserv/work/skk-9.6/skkserv/skkserv.h     1997-01-21 04:16:36.000000000 +0900
+++ japanese/skkserv/work.koie/skk-9.6/skkserv/skkserv.h        2007-12-21 22:39:29.671144656 +0900
@@ -37,6 +37,8 @@
 /* Necessary for SunOS 3.x and maybe other old systems */
How-To-Repeat:         koie@guriandgura% skkserv
        Segmentation fault (core dumped)
        koie@guriandgura%