Source code of Windows XP (NT5)
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/****************************************************************************
Unit Bufio; Interface*****************************************************************************
Bufio implements the structured reading of the imput stream. As such, it will handle the necessary byte-swapping that must occur when reading a native Macintosh file.
This interface will also shield the calling application from knowledge of the source format (file vs. memory).
Module Prefix: IO
*****************************************************************************/
/*********************** Exported Function Definitions **********************/
void IOGetByte( Byte far * );/* Retrieves an 8-bit unsigned char from the input stream */
void IOSkipBytes( LongInt byteCount );/* Skip the designated number of bytes */
void IOAlignToWordOffset( void );/* Align next memory read to Word boundary. */
void IOSetFileName( StringLPtr pictFileName );/* Interface routine to set the source filename */
void IOSetFileHandleAndSize( Integer pictFileHandle, LongInt pictFileSize );/* Interface routine to set the source file Handle */
void IOSetMemoryHandle( HANDLE pictMemoryHandle );/* Interface routine to set the source file Handle */
void IOSetReadOffset( LongInt readOffset );/* Set the beginning offset to seek to when the file is opened */
void IOOpenPicture( Handle dialog );/* Open the input stream set by a previous IOSet___ interface routine. */
void IOClosePicture( void );/* Close the source input stream */
void IOUpdateStatus( void );/* Update the status bar dialog to reflect current progress */
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