ax25ipd: Cleanup header file inclusion.

We were including way too many system header files, some even multiple
times and it wasn't immediately visible.  Clean this.

This also drops the definitions of __USE_XOPEN which never had the desired
effect with glibc.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 15 insertions, 12 deletions

diff --git a/ax25ipd/io.c b/ax25ipd/io.c
index 1bc3377..e441131 100644
--- a/ax25ipd/io.c
+++ b/ax25ipd/io.c
@@ -9,24 +9,27 @@
  * than just I/O stuff.
  */
 
-#include "ax25ipd.h"
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <time.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netdb.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <memory.h>
+#include <netdb.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
-#include <errno.h>
 #include <syslog.h>
-
 #include <termio.h>
+#include <time.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+
+#include "ax25ipd.h"
+
 static struct termio nterm;
 
 int ttyfd = -1;