bifcl: Move headers into include/ subdir

This avoids potential problems with libc++ 8+ on case-insensitive file
systems due to inclusion of a new header called <version> which will end
up conflicting with the VERSION file if the search path includes the
project root.

tools/bifcl/include/bif_arg.h

@@ -0,0 +1,51 @@
+#ifndef bif_arg_h
+#define bif_arg_h
+
+#include <stdio.h>
+
+enum builtin_func_arg_type {
+#define DEFINE_BIF_TYPE(id, bif_type, bro_type, c_type, accessor, constructor) \
+	id,
+#include "bif_type.def"
+#undef DEFINE_BIF_TYPE
+/*
+	TYPE_ANY,
+	TYPE_BOOL,
+	TYPE_COUNT,
+	TYPE_INT,
+	TYPE_STRING,
+	TYPE_PATTERN,
+	TYPE_PORT,
+	TYPE_OTHER,
+*/
+};
+
+extern const char* builtin_func_arg_type_bro_name[];
+
+class BuiltinFuncArg {
+public:
+	BuiltinFuncArg(const char* arg_name, int arg_type);
+	BuiltinFuncArg(const char* arg_name, const char* arg_type_str,
+	               const char* arg_attr_str = "");
+
+	void SetAttrStr(const char* arg_attr_str)
+		{
+		attr_str = arg_attr_str;
+		};
+
+	const char* Name() const	{ return name; }
+	int Type() const		{ return type; }
+
+	void PrintBro(FILE* fp);
+	void PrintCDef(FILE* fp, int n);
+	void PrintCArg(FILE* fp, int n);
+	void PrintBroValConstructor(FILE* fp);
+
+protected:
+	const char* name;
+	int type;
+	const char* type_str;
+	const char* attr_str;
+};
+
+#endif