78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
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* The President and Fellows of Harvard College.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _STDIO_H_
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#define _STDIO_H_
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/*
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* Get the __-protected definition of va_list. We aren't supposed to
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* include stdarg.h here.
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*/
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#include <kern/types.h>
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#include <types/size_t.h>
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#include <sys/null.h>
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/* Constant returned by a bunch of stdio functions on error */
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#define EOF (-1)
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/*
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* The actual guts of printf
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* (for libc internal use only)
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*/
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int __vprintf(void (*sendfunc)(void *clientdata, const char *, size_t len),
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void *clientdata,
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const char *fmt,
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__va_list ap);
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/* Printf calls for user programs */
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int printf(const char *fmt, ...);
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int vprintf(const char *fmt, __va_list ap);
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int snprintf(char *buf, size_t len, const char *fmt, ...);
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int vsnprintf(char *buf, size_t len, const char *fmt, __va_list ap);
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/* Automated testing extensions. */
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int tprintf(const char *fmt, ...);
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int nprintf(const char *fmt, ...);
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/* Print the argument string and then a newline. Returns 0 or -1 on error. */
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int puts(const char *);
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/* Like puts, but without the newline. Returns #chars written. */
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/* Nonstandard C, hence the __. */
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int __puts(const char *);
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/* Writes one character. Returns it. */
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int putchar(int);
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/* Reads one character (0-255) or returns EOF on error. */
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int getchar(void);
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#endif /* _STDIO_H_ */
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