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cc65/libsrc/common/_scanf.h
cuz d406a9f677 Scanf improvements by Greg King
git-svn-id: svn://svn.cc65.org/cc65/trunk@3377 b7a2c559-68d2-44c3-8de9-860c34a00d81
2005-02-14 09:19:59 +00:00

47 lines
963 B
C

/*
* _scanf.h
*
* (c) Copyright 2004, Ullrich von Bassewitz <uz@cc65.org>
*
*/
#ifndef __SCANF_H
#define __SCANF_H
/* Type of the function that is called to input data. The function will
* return EOF if no more data is available.
*/
typedef int __fastcall__ (*getfunc) (void* data);
/* Type of the function that is called to put back unused data */
typedef int __fastcall__ (*ungetfunc) (int c, void* data);
/* Control structure passed to the low level worker function.
* Beware: This structure is mirrored in the _scanf.inc assembler include
* file, so check this when altering the structure.
*/
struct scanfdata {
getfunc get; /* Pointer to input routine */
ungetfunc unget; /* Pointer to pushback routine */
void* data; /* Pointer to struct. used outside of _scanf() */
};
/* Internal scanning routine */
int __fastcall__ _scanf (const struct scanfdata* d, const char* format, va_list ap);
/* End of _scanf.h */
#endif