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发表于 2025-3-18 09:19:14
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/*--------------------------------------------------------------------------
STDIO.H
Prototypes for standard I/O functions for C251 Version 3.
Copyright (c) 1995-2001 Keil Elektronik GmbH and Keil Software, Inc.
All rights reserved.
--------------------------------------------------------------------------*/
#pragma SAVE
#pragma PARM251
#ifndef EOF
#define EOF -1
#endif
#ifndef NULL
#define NULL ((void *) 0)
#endif
#ifndef _SIZE_T
#define _SIZE_T
typedef unsigned int size_t;
#endif
#if (__C251__ >= 200)
#pragma SAVE
#pragma FUNCTIONS(STATIC)
/* only static functions available */
extern char _getkey (void);
extern char getchar (void);
extern char ungetchar(char);
extern char putchar (char);
extern int printf (const char *, ...);
extern char *gets (char *, int n);
extern int scanf (const char *, ...);
extern int vprintf (const char *, char *);
extern int puts (const char *);
#pragma RESTORE
/* available as reentrant & non-reentrant version */
extern int sprintf (char *, const char *, ...);
extern int vsprintf (char *, const char *, char *);
extern int sscanf (char *, const char *, ...);
#else
extern char _getkey (void);
extern char getchar (void);
extern char ungetchar (char);
extern char putchar (char);
extern int printf (const char *, ...);
extern int sprintf (char *, const char *, ...);
extern int vprintf (const char *, char *);
extern int vsprintf (char *, const char *, char *);
extern char *gets (char *, int n);
extern int scanf (const char *, ...);
extern int sscanf (char *, const char *, ...);
extern int puts (const char *);
#endif
#pragma RESTORE
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