src: split internal.h is smaller files

The internal.h file started being a small file with private definitions.
Its size has been increasing over time more and more, so let's split
this in small header files that map to the corresponding class where the
functions belong to.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/expr.h b/include/expr.h
new file mode 100644
index 0000000..ed41105
--- /dev/null
+++ b/include/expr.h
@@ -0,0 +1,13 @@
+#ifndef _LIBNFTNL_EXPR_INTERNAL_H_
+#define _LIBNFTNL_EXPR_INTERNAL_H_
+
+struct expr_ops;
+
+struct nft_rule_expr {
+	struct list_head	head;
+	uint32_t		flags;
+	struct expr_ops		*ops;
+	uint8_t			data[];
+};
+
+#endif