kern_io.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1993 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon 
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        kern_io.h,v $
   29  * Revision 2.2  93/11/17  19:07:02  dbg
   30  *      Created.
   31  *      [93/11/17  19:06:24  dbg]
   32  * 
   33  */
   34 
   35 /*
   36  *      Kernel console IO package.
   37  */
   38 
   39 #ifndef _KERN_IO_H
   40 #define _KERN_IO_H_
   41 
   42 #include <mach/boolean.h>
   43 #include <sys/stdarg.h>
   44 
   45 /*
   46  *      Kernel printing routines.
   47  *      _doprnt is used by debugger printing as well
   48  *      as kernel printing routines.
   49  */
   50 extern void
   51 printf_init(void);
   52 
   53 extern void
   54 _doprnt(const char *fmt,
   55         va_list *argp,
   56         void    (*putc)(char, void *),
   57         int     radix,
   58         void    *arg);
   59 
   60 extern void
   61 printf(const char *format, ...);
   62 
   63 extern int
   64 sprintf(char *buf, const char *fmt, ...);
   65 
   66 /*
   67  *      Kernel input routines.
   68  */
   69 extern int
   70 sscanf(const char *input, const char *fmt, ...);
   71 
   72 extern void
   73 safe_gets(char *buf, int maxlen);
   74 
   75 /*
   76  *      Machine-dependent console IO routines.
   77  *      These do one-character-at-a-time output and
   78  *      polled input.
   79  */
   80 
   81 extern void
   82 cnputc(int);                    /* output character */
   83 
   84 extern int
   85 cngetc(void);                   /* input character, waiting */
   86 
   87 extern int
   88 cnmaygetc(void);                /* input character, return -1 if none */
   89 
   90 extern void
   91 cnpollc(boolean_t);             /* switch console to polled mode for
   92                                    cngetc */
   93 
   94 #endif  /* _KERN_IO_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/kern/kern_io.h

FreeBSD/Linux Kernel Cross Reference
sys/kern/kern_io.h