Drop libiptc/linux_stddef.h

This header was never included anywhere.

Fixes: aae69bed01982 ("complete libiptc rewrite.  Time to load 10k rules goes down from 2.20 minutes to 1.255 seconds (!).  Might still contain bugs, use with caution.")
Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/libiptc/linux_stddef.h b/libiptc/linux_stddef.h
deleted file mode 100644 (file)
index 56416f1..0000000
--- a/libiptc/linux_stddef.h
+++ /dev/null
@@ -1,39 +0,0 @@
-#ifndef _LINUX_STDDEF_H
-#define _LINUX_STDDEF_H
-
-#undef NULL
-#if defined(__cplusplus)
-#define NULL 0
-#else
-#define NULL ((void *)0)
-#endif
-
-#undef offsetof
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
-
-
-/**
- * container_of - cast a member of a structure out to the containing structure
- *
- * @ptr:       the pointer to the member.
- * @type:      the type of the container struct this is embedded in.
- * @member:    the name of the member within the struct.
- *
- */
-#define container_of(ptr, type, member) ({                     \
-        const typeof( ((type *)0)->member ) *__mptr = (ptr);   \
-        (type *)( (char *)__mptr - offsetof(type,member) );})
-
-/*
- * Check at compile time that something is of a particular type.
- * Always evaluates to 1 so you may use it easily in comparisons.
- */
-#define typecheck(type,x) \
-({     type __dummy; \
-       typeof(x) __dummy2; \
-       (void)(&__dummy == &__dummy2); \
-       1; \
-})
-
-
-#endif