2016-02-29 16:43:35 -05:00

78 lines
2.8 KiB
C

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