more BSD compat

io/io_close.c

@@ -2,9 +2,9 @@
 #include "io_internal.h"
 
 void io_close(int64 d) {
+  io_entry* e;
   close(d);
-  io_entry* e=array_get(&io_fds,sizeof(io_entry),d);
+  if ((e=array_get(&io_fds,sizeof(io_entry),d))) {
-  if (e) {
     e->inuse=0;
     io_dontwantread(d);
     io_dontwantwrite(d);

select.h2

@@ -6,6 +6,10 @@
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/select.h>
+
+/* braindead BSD uses bzero in FD_ZERO but doesn't #include string.h */
+#include <string.h>
+
 extern int select();
 
 #endif

socket/socket_bind6.c

@@ -12,13 +12,13 @@ int socket_bind6(int s,const char ip[16],uint16 port,uint32 scope_id)
 #ifdef LIBC_HAS_IP6
   struct sockaddr_in6 sa;
 #endif
+  int i;
 
   if (!ip) ip=V6any;
 
 #ifdef LIBC_HAS_IP6
   if (noipv6) {
 #endif
-    int i;
     for (i=0; i<16; i++)
       if (ip[i]!=0) break;
     if (i==16 || ip6_isv4mapped(ip))