Add the 3.3.3 sources for class-dump.

class-dump/src/CDSection.h

+// -*- mode: ObjC -*-
+
+//  This file is part of class-dump, a utility for examining the Objective-C segment of Mach-O files.
+//  Copyright (C) 1997-1998, 2000-2001, 2004-2010 Steve Nygard.
+
+#import <Foundation/Foundation.h>
+#include <mach-o/loader.h>
+
+@class CDDataCursor, CDMachOFile, CDLCSegment32;
+
+@interface CDSection : NSObject
+{
+    NSString *segmentName;
+    NSString *sectionName;
+
+    NSData *data;
+    struct {
+        unsigned int hasLoadedData:1;
+    } _flags;
+}
+
+- (id)init;
+- (void)dealloc;
+
+- (NSString *)segmentName;
+- (void)setSegmentName:(NSString *)newName;
+
+- (NSString *)sectionName;
+- (void)setSectionName:(NSString *)newName;
+
+- (NSData *)data;
+- (void)loadData;
+- (void)unloadData;
+
+- (NSUInteger)addr;
+- (NSUInteger)size;
+
+- (CDMachOFile *)machOFile;
+
+- (NSString *)description;
+
+- (BOOL)containsAddress:(NSUInteger)address;
+- (NSUInteger)fileOffsetForAddress:(NSUInteger)address;
+
+@end