pgpioutilities.h

PGP8.0源码 请认真阅读您的文件包然后写出其具体功能

/*____________________________________________________________________________
	Copyright (C) 2002 PGP Corporation
	All rights reserved.

	$Id: pgpIOUtilities.h,v 1.3 2002/08/06 20:10:34 dallen Exp $
____________________________________________________________________________*/
#ifndef Included_pgpIOUtilities_h	/* [ */
#define Included_pgpIOUtilities_h

#include "pgpIO.h"

PGP_BEGIN_C_DECLARATIONS
#if PRAGMA_IMPORT_SUPPORTED
#pragma import on
#endif


/*____________________________________________________________________________
	Copy bytes from one I/O to another. 
	Caller will want to call PGPIOSetPos to set file mark first.
____________________________________________________________________________*/
PGPError	PGPCopyIO( PGPIORef fromIO, PGPFileOffset numBytes, PGPIORef toIO );

/* same as PGPCopyIO(), but use user-supplied buffer */
PGPError	PGPCopyIOUsingBuffer( PGPIORef fromIO,
				PGPFileOffset numBytes, PGPIORef toIO,
				void *buffer, PGPSize bufferSize );
				


#if PRAGMA_IMPORT_SUPPORTED
#pragma import reset
#endif
PGP_END_C_DECLARATIONS

#endif /* ] Included_pgpIOUtilities_h */


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