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- # ifndef xySource
- # define xySource
-
- /* $Id: Source.h,v 1.0 1992/08/07 14:31:44 grosch rel $ */
-
- /* $Log: Source.h,v $
- * Revision 1.0 1992/08/07 14:31:44 grosch
- * Initial revision
- *
- */
-
- /* Ich, Doktor Josef Grosch, Informatiker, Juli 1992 */
-
- # if defined __STDC__ | defined __cplusplus
- # define ARGS(parameters) parameters
- # else
- # define ARGS(parameters) ()
- # endif
-
- extern int BeginSource ARGS((char * FileName));
-
- /*
- BeginSource is called from the scanner to open files.
- If not called input is read form standard input.
- */
-
- extern int GetLine ARGS((int File, char * Buffer, int Size));
-
- /*
- GetLine is called to fill a buffer starting at address 'Buffer'
- with a block of maximal 'Size' characters. Lines are terminated
- by newline characters (ASCII = 0xa). GetLine returns the number
- of characters transferred. Reasonable block sizes are between 128
- and 2048 or the length of a line. Smaller block sizes -
- especially block size 1 - will drastically slow down the scanner.
- */
-
- extern void CloseSource ARGS((int File));
-
- /*
- CloseSource is called from the scanner at end of file respectively
- at end of input. It can be used to close files.
- */
-
- # endif
-