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/*

 * Copyright (c) 1990 The Regents of the University of California.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms are permitted

 * provided that the above copyright notice and this paragraph are

 * duplicated in all such forms and that any documentation,

 * advertising materials, and other materials related to such

 * distribution and use acknowledge that the software was developed

 * by the University of California, Berkeley.  The name of the

 * University may not be used to endorse or promote products derived

 * from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 *

 *      @(#)stdio.h     5.3 (Berkeley) 3/15/86

 */

/*

 * NB: to fit things in six character monocase externals, the

 * stdio code uses the prefix `__s' for stdio objects, typically

 * followed by a three-character attempt at a mnemonic.

 */

#ifndef _STDIO_H_

#ifdef __cplusplus

extern "C" {

#endif

#define _STDIO_H_

#include "_ansi.h"

#define _FSTDIO                 /* ``function stdio'' */

#define __need_size_t

#include <stddef.h>

#define __need___va_list

#include <stdarg.h>

/*

 * <sys/reent.h> defines __sFILE, _fpos_t.

 * They must be defined there because struct _reent needs them (and we don't

 * want reent.h to include this file.

 */

#include <sys/reent.h>

typedef _fpos_t fpos_t;

typedef struct __sFILE FILE;

#define __SLBF  0x0001          /* line buffered */

#define __SNBF  0x0002          /* unbuffered */

#define __SRD   0x0004          /* OK to read */

#define __SWR   0x0008          /* OK to write */

        /* RD and WR are never simultaneously asserted */

#define __SRW   0x0010          /* open for reading & writing */

#define __SEOF  0x0020          /* found EOF */

#define __SERR  0x0040          /* found error */

#define __SMBF  0x0080          /* _buf is from malloc */

#define __SAPP  0x0100          /* fdopen()ed in append mode - so must  write to end */

#define __SSTR  0x0200          /* this is an sprintf/snprintf string */

#define __SOPT  0x0400          /* do fseek() optimisation */

#define __SNPT  0x0800          /* do not do fseek() optimisation */

#define __SOFF  0x1000          /* set iff _offset is in fact correct */

#define __SMOD  0x2000          /* true => fgetline modified _p text */

/*

 * The following three definitions are for ANSI C, which took them

 * from System V, which stupidly took internal interface macros and

 * made them official arguments to setvbuf(), without renaming them.

 * Hence, these ugly _IOxxx names are *supposed* to appear in user code.

 *

 * Although these happen to match their counterparts above, the

 * implementation does not rely on that (so these could be renumbered).

 */

#define _IOFBF  0                /* setvbuf should set fully buffered */

#define _IOLBF  1               /* setvbuf should set line buffered */

#define _IONBF  2               /* setvbuf should set unbuffered */

#ifndef NULL

#define NULL    0

#endif

#define BUFSIZ  1024

#define EOF     (-1)

#define FOPEN_MAX       20      /* must be <= OPEN_MAX <sys/syslimits.h> */

#define FILENAME_MAX    1024    /* must be <= PATH_MAX <sys/syslimits.h> */

#define L_tmpnam        1024    /* XXX must be == PATH_MAX */

#ifndef __STRICT_ANSI__

#define P_tmpdir        "/tmp"

#endif

#ifndef SEEK_SET

#define SEEK_SET        0        /* set file offset to offset */

#endif

#ifndef SEEK_CUR

#define SEEK_CUR        1       /* set file offset to current plus offset */

#endif

#ifndef SEEK_END

#define SEEK_END        2       /* set file offset to EOF plus offset */

#endif

#define TMP_MAX         26

#define stdin   (_impure_ptr->_stdin)

#define stdout  (_impure_ptr->_stdout)

#define stderr  (_impure_ptr->_stderr)

#define _stdin_r(x)     ((x)->_stdin)

#define _stdout_r(x)    ((x)->_stdout)

#define _stderr_r(x)    ((x)->_stderr)

/*

 * Functions defined in ANSI C standard.

 */

#ifdef __GNUC__

#define __VALIST __gnuc_va_list

#else

#define __VALIST char*

#endif

#ifndef _REENT_ONLY

int     _EXFUN(remove, (const char *));

int     _EXFUN(rename, (const char *, const char *));

#endif

char *  _EXFUN(tempnam, (const char *, const char *));

FILE *  _EXFUN(tmpfile, (void));

char *  _EXFUN(tmpnam, (char *));

int     _EXFUN(fclose, (FILE *));

int     _EXFUN(fflush, (FILE *));

FILE *  _EXFUN(freopen, (const char *, const char *, FILE *));

void    _EXFUN(setbuf, (FILE *, char *));

int     _EXFUN(setvbuf, (FILE *, char *, int, size_t));

int     _EXFUN(fprintf, (FILE *, const char *, ...));

int     _EXFUN(fscanf, (FILE *, const char *, ...));

int     _EXFUN(printf, (const char *, ...));

int     _EXFUN(scanf, (const char *, ...));

int     _EXFUN(sscanf, (const char *, const char *, ...));

int     _EXFUN(vfprintf, (FILE *, const char *, __VALIST));

int     _EXFUN(vprintf, (const char *, __VALIST));

int     _EXFUN(vsprintf, (char *, const char *, __VALIST));

int     _EXFUN(vsnprintf, (char *, size_t, const char *, __VALIST));

int     _EXFUN(fgetc, (FILE *));

char *  _EXFUN(fgets, (char *, int, FILE *));

int     _EXFUN(fputc, (int, FILE *));

int     _EXFUN(fputs, (const char *, FILE *));

int     _EXFUN(getc, (FILE *));

int     _EXFUN(getchar, (void));

char *  _EXFUN(gets, (char *));

int     _EXFUN(putc, (int, FILE *));

int     _EXFUN(putchar, (int));

int     _EXFUN(puts, (const char *));

int     _EXFUN(ungetc, (int, FILE *));

size_t  _EXFUN(fread, (_PTR, size_t _size, size_t _n, FILE *));

size_t  _EXFUN(fwrite, (const _PTR , size_t _size, size_t _n, FILE *));

int     _EXFUN(fgetpos, (FILE *, fpos_t *));

int     _EXFUN(fseek, (FILE *, long, int));

int     _EXFUN(fsetpos, (FILE *, const fpos_t *));

long    _EXFUN(ftell, ( FILE *));

void    _EXFUN(rewind, (FILE *));

void    _EXFUN(clearerr, (FILE *));

int     _EXFUN(feof, (FILE *));

int     _EXFUN(ferror, (FILE *));

void    _EXFUN(perror, (const char *));

#ifndef _REENT_ONLY

FILE *  _EXFUN(fopen, (const char *_name, const char *_type));

int     _EXFUN(sprintf, (char *, const char *, ...));

int     _EXFUN(snprintf, (char *, size_t, const char *, ...));

#endif

#ifndef __STRICT_ANSI__

int     _EXFUN(vfiprintf, (FILE *, const char *, __VALIST));

int     _EXFUN(iprintf, (const char *, ...));

int     _EXFUN(fiprintf, (FILE *, const char *, ...));

int     _EXFUN(siprintf, (char *, const char *, ...));

#endif

/*

 * Routines in POSIX 1003.1.

 */

#ifndef __STRICT_ANSI__

#ifndef _REENT_ONLY

FILE *  _EXFUN(fdopen, (int, const char *));

#endif

int     _EXFUN(fileno, (FILE *));

int     _EXFUN(getw, (FILE *));

int     _EXFUN(pclose, (FILE *));

FILE *  _EXFUN(popen, (const char *, const char *));

int     _EXFUN(putw, (int, FILE *));

void    _EXFUN(setbuffer, (FILE *, char *, int));

int     _EXFUN(setlinebuf, (FILE *));

#endif

/*

 * Recursive versions of the above.

 */

FILE *  _EXFUN(_fdopen_r, (struct _reent *, int, const char *));

FILE *  _EXFUN(_fopen_r, (struct _reent *, const char *, const char *));

int     _EXFUN(_getchar_r, (struct _reent *));

char *  _EXFUN(_gets_r, (struct _reent *, char *));

int     _EXFUN(_iprintf_r, (struct _reent *, const char *, ...));

int     _EXFUN(_mkstemp_r, (struct _reent *, char *));

char *  _EXFUN(_mktemp_r, (struct _reent *, char *));

void    _EXFUN(_perror_r, (struct _reent *, const char *));

int     _EXFUN(_printf_r, (struct _reent *, const char *, ...));

int     _EXFUN(_putchar_r, (struct _reent *, int));

int     _EXFUN(_puts_r, (struct _reent *, const char *));

int     _EXFUN(_remove_r, (struct _reent *, const char *));

int     _EXFUN(_rename_r, (struct _reent *,

                           const char *_old, const char *_new));

int     _EXFUN(_scanf_r, (struct _reent *, const char *, ...));

int     _EXFUN(_sprintf_r, (struct _reent *, char *, const char *, ...));

int     _EXFUN(_snprintf_r, (struct _reent *, char *, size_t, const char *, ...));

char *  _EXFUN(_tempnam_r, (struct _reent *, const char *, const char *));

FILE *  _EXFUN(_tmpfile_r, (struct _reent *));

char *  _EXFUN(_tmpnam_r, (struct _reent *, char *));

int     _EXFUN(_vfprintf_r, (struct _reent *, FILE *, const char *, __VALIST));

int     _EXFUN(_vprintf_r, (struct _reent *, const char *, __VALIST));

int     _EXFUN(_vsprintf_r, (struct _reent *, char *, const char *, __VALIST));

int     _EXFUN(_vsnprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST));

/*

 * Routines internal to the implementation.

 */

int     _EXFUN(__srget, (FILE *));

int     _EXFUN(__swbuf, (int, FILE *));

/*

 * Stdio function-access interface.

 */

#ifndef __STRICT_ANSI__

FILE    *_EXFUN(funopen,(const _PTR _cookie,

                int (*readfn)(_PTR _cookie, char *_buf, int _n),

                int (*writefn)(_PTR _cookie, const char *_buf, int _n),

                fpos_t (*seekfn)(_PTR _cookie, fpos_t _off, int _whence),

                int (*closefn)(_PTR _cookie)));

#define fropen(cookie, fn) funopen(cookie, fn, (int (*)())0, (fpos_t (*)())0, (int (*)())0)

#define fwopen(cookie, fn) funopen(cookie, (int (*)())0, fn, (fpos_t (*)())0, (int (*)())0)

#endif

/*

 * The __sfoo macros are here so that we can

 * define function versions in the C library.

 */

#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))

#ifdef _never /* __GNUC__ */

/* If this inline is actually used, then systems using coff debugging

   info get hopelessly confused.  21sept93 rich@cygnus.com.  */

static __inline int __sputc(int _c, FILE *_p) {

        if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))

                return (*_p->_p++ = _c);

        else

                return (__swbuf(_c, _p));

}

#else

/*

 * This has been tuned to generate reasonable code on the vax using pcc

 */

#define __sputc(c, p) \

        (--(p)->_w < 0 ? \

                (p)->_w >= (p)->_lbfsize ? \

                        (*(p)->_p = (c)), *(p)->_p != '\n' ? \

                                (int)*(p)->_p++ : \

                                __swbuf('\n', p) : \

                        __swbuf((int)(c), p) : \

                (*(p)->_p = (c), (int)*(p)->_p++))

#endif

#define __sfeof(p)      (((p)->_flags & __SEOF) != 0)

#define __sferror(p)    (((p)->_flags & __SERR) != 0)

#define __sclearerr(p)  ((void)((p)->_flags &= ~(__SERR|__SEOF)))

#define __sfileno(p)    ((p)->_file)

#define feof(p)         __sfeof(p)

#define ferror(p)       __sferror(p)

#define clearerr(p)     __sclearerr(p)

#if 0 /*ndef __STRICT_ANSI__ - FIXME: must initialize stdio first, use fn */

#define fileno(p)       __sfileno(p)

#endif

#ifndef lint

#define getc(fp)        __sgetc(fp)

#define putc(x, fp)     __sputc(x, fp)

#endif /* lint */

#define getchar()       getc(stdin)

#define putchar(x)      putc(x, stdout)

#ifndef __STRICT_ANSI__

/* fast always-buffered version, true iff error */

#define fast_putc(x,p) (--(p)->_w < 0 ? \

        __swbuf((int)(x), p) == EOF : (*(p)->_p = (x), (p)->_p++, 0))

#define L_cuserid       9               /* posix says it goes in stdio.h :( */

#ifdef __CYGWIN32__

#define L_ctermid       16

#endif

#endif

#ifdef __cplusplus

}

#endif

#endif /* _STDIO_H_ */