[PATCH 24/24] bpf.2: Add missing headers

[Alejandro Colomar]

I added some headers to reduce the number of warnings.
I found the needed headers by using grep, but maybe some of them
shouldn't be included directly.

The example still has many problems to compile.

Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>
---
 man2/bpf.2 | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/man2/bpf.2 b/man2/bpf.2
index b45acde76..d26d6a43d 100644
--- a/man2/bpf.2
+++ b/man2/bpf.2
@@ -981,6 +981,18 @@ ioctl(event_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
  * 3. attach prog_fd to raw socket via setsockopt()
  * 4. print number of received TCP/UDP packets every second
  */
+#include <assert.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+
 int
 main(int argc, char **argv)
 {
-- 
2.28.0