import ans1c generated C sources for HNBAP

TODO: split the HNBAP specific code from the core runtime code
and use libosmo-asn1c instead.  This is required as we will be
dealing with multiple ASN.1 data formats from within a single
executable.
diff --git a/src/asn1c/asn_system.h b/src/asn1c/asn_system.h
new file mode 100644
index 0000000..e420ad2
--- /dev/null
+++ b/src/asn1c/asn_system.h
@@ -0,0 +1,129 @@
+/*-
+ * Copyright (c) 2003, 2004, 2007 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+/*
+ * Miscellaneous system-dependent types.
+ */
+#ifndef	_ASN_SYSTEM_H_
+#define	_ASN_SYSTEM_H_
+
+#ifdef	HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>	/* For snprintf(3) */
+#include <stdlib.h>	/* For *alloc(3) */
+#include <string.h>	/* For memcpy(3) */
+#include <sys/types.h>	/* For size_t */
+#include <limits.h>	/* For LONG_MAX */
+#include <stdarg.h>	/* For va_start */
+#include <stddef.h>	/* for offsetof and ptrdiff_t */
+
+#ifdef	_WIN32
+
+#include <malloc.h>
+#define	 snprintf	_snprintf
+#define	 vsnprintf	_vsnprintf
+
+/* To avoid linking with ws2_32.lib, here's the definition of ntohl() */
+#define sys_ntohl(l)	((((l) << 24)  & 0xff000000)	\
+			| (((l) << 8) & 0xff0000)	\
+			| (((l) >> 8)  & 0xff00)	\
+			| ((l >> 24) & 0xff))
+
+#ifdef _MSC_VER			/* MSVS.Net */
+#ifndef __cplusplus
+#define inline __inline
+#endif
+#ifndef	ASSUMESTDTYPES	/* Standard types have been defined elsewhere */
+#define	ssize_t		SSIZE_T
+typedef	char		int8_t;
+typedef	short		int16_t;
+typedef	int		int32_t;
+typedef	unsigned char	uint8_t;
+typedef	unsigned short	uint16_t;
+typedef	unsigned int	uint32_t;
+#endif	/* ASSUMESTDTYPES */
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <float.h>
+#define isnan _isnan
+#define finite _finite
+#define copysign _copysign
+#define	ilogb	_logb
+#else	/* !_MSC_VER */
+#include <stdint.h>
+#endif	/* _MSC_VER */
+
+#else	/* !_WIN32 */
+
+#if defined(__vxworks)
+#include <types/vxTypes.h>
+#else	/* !defined(__vxworks) */
+
+#include <inttypes.h>	/* C99 specifies this file */
+/*
+ * 1. Earlier FreeBSD version didn't have <stdint.h>,
+ * but <inttypes.h> was present.
+ * 2. Sun Solaris requires <alloca.h> for alloca(3),
+ * but does not have <stdint.h>.
+ */
+#if	(!defined(__FreeBSD__) || !defined(_SYS_INTTYPES_H_))
+#if	defined(sun)
+#include <alloca.h>	/* For alloca(3) */
+#include <ieeefp.h>	/* for finite(3) */
+#elif	defined(__hpux)
+#ifdef	__GNUC__
+#include <alloca.h>	/* For alloca(3) */
+#else	/* !__GNUC__ */
+#define inline
+#endif	/* __GNUC__ */
+#else
+#include <stdint.h>	/* SUSv2+ and C99 specify this file, for uintXX_t */
+#endif	/* defined(sun) */
+#endif
+
+#include <netinet/in.h> /* for ntohl() */
+#define	sys_ntohl(foo)	ntohl(foo)
+
+#endif	/* defined(__vxworks) */
+
+#endif	/* _WIN32 */
+
+#if	__GNUC__ >= 3
+#ifndef	GCC_PRINTFLIKE
+#define	GCC_PRINTFLIKE(fmt,var)	__attribute__((format(printf,fmt,var)))
+#endif
+#ifndef	GCC_NOTUSED
+#define	GCC_NOTUSED		__attribute__((unused))
+#endif
+#else
+#ifndef	GCC_PRINTFLIKE
+#define	GCC_PRINTFLIKE(fmt,var)	/* nothing */
+#endif
+#ifndef	GCC_NOTUSED
+#define	GCC_NOTUSED
+#endif
+#endif
+
+/* Figure out if thread safety is requested */
+#if !defined(ASN_THREAD_SAFE) && (defined(THREAD_SAFE) || defined(_REENTRANT))
+#define	ASN_THREAD_SAFE
+#endif	/* Thread safety */
+
+#ifndef	offsetof	/* If not defined by <stddef.h> */
+#define	offsetof(s, m)	((ptrdiff_t)&(((s *)0)->m) - (ptrdiff_t)((s *)0))
+#endif	/* offsetof */
+
+#ifndef	MIN		/* Suitable for comparing primitive types (integers) */
+#if defined(__GNUC__)
+#define	MIN(a,b)	({ __typeof a _a = a; __typeof b _b = b;	\
+	((_a)<(_b)?(_a):(_b)); })
+#else	/* !__GNUC__ */
+#define	MIN(a,b)	((a)<(b)?(a):(b))	/* Unsafe variant */
+#endif /* __GNUC__ */
+#endif	/* MIN */
+
+#endif	/* _ASN_SYSTEM_H_ */