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#import "CSHandle.h"
typedef struct XADSkipRegion
{
off_t actual,skip;
} XADSkipRegion;
//static inline XADSkip XADMakeSkip(off_t start,off_t length) { XADSkip skip={start,length}; return skip; }
@interface XADSkipHandle:CSHandle
{
CSHandle *parent;
XADSkipRegion *regions;
int numregions;
}
-(id)initWithHandle:(CSHandle *)handle;
-(id)initAsCopyOf:(XADSkipHandle *)other;
-(void)dealloc;
-(void)addSkipFrom:(off_t)start length:(off_t)length;
-(void)addSkipFrom:(off_t)start to:(off_t)end;
-(off_t)actualOffsetForSkipOffset:(off_t)skipoffset;
-(off_t)skipOffsetForActualOffset:(off_t)actualoffset;
-(off_t)fileSize;
-(off_t)offsetInFile;
-(BOOL)atEndOfFile;
-(void)seekToFileOffset:(off_t)offs;
-(void)seekToEndOfFile;
-(int)readAtMost:(int)num toBuffer:(void *)buffer;
@end
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