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53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
/*
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* _scanf.h
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*
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* (C) Copyright 2001 Ullrich von Bassewitz (uz@cc65.org)
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*
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*/
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#ifndef __SCANF_H
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#define __SCANF_H
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/* Forward */
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struct indesc;
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/* Type of the function that is called to input data. The function will
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* return EOF if no more data is available.
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*/
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typedef char (*infunc) (struct indesc* desc);
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/* Control structure passed to the low level worker function.
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* Beware: The low level functions will access the structure on the assembly
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* level, so check this when altering the structure.
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*/
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struct indesc {
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infunc fin; /* Pointer to input routine */
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unsigned ccount; /* Number of chars read */
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/* Fields used outside from _scanf */
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char* buf; /* Pointer to input buffer */
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unsigned size; /* Size of input buffer */
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unsigned fill; /* Fill mark of input buffer */
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unsigned ridx; /* Read index of input buffer */
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};
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/* Internal scanning routine */
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int _scanf (struct indesc* d, const char* format, va_list ap);
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/* End of _scanf.h */
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#endif
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