initial import

1 files changed, 681 insertions, 0 deletions

diff --git a/stdio/stdio.h b/stdio/stdio.h
new file mode 100644
index 0000000000..2994432328
--- /dev/null
+++ b/stdio/stdio.h
@@ -0,0 +1,681 @@
+/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *	ANSI Standard: 4.9 INPUT/OUTPUT	<stdio.h>
+ */
+
+#ifndef	_STDIO_H
+
+#if	!defined(__need_FILE)
+#define	_STDIO_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+#define	__need_size_t
+#define	__need_NULL
+#include <stddef.h>
+
+#define	__need___va_list
+#include <stdarg.h>
+#ifndef	__GNUC_VA_LIST
+#define	__gnuc_va_list	__ptr_t
+#endif
+
+#include <gnu/types.h>
+#endif /* Don't need FILE.  */
+#undef	__need_FILE
+
+
+#ifndef	__FILE_defined
+
+/* The opaque type of streams.  */
+typedef struct __stdio_file FILE;
+
+#define	__FILE_defined	1
+#endif /* FILE not defined.  */
+
+
+#ifdef	_STDIO_H
+
+/* The type of the second argument to `fgetpos' and `fsetpos'.  */
+typedef __off_t fpos_t;
+
+/* The mode of I/O, as given in the MODE argument to fopen, etc.  */
+typedef struct
+{
+  unsigned int __read:1;	/* Open for reading.  */
+  unsigned int __write:1;	/* Open for writing.  */
+  unsigned int __append:1;	/* Open for appending.  */
+  unsigned int __binary:1;	/* Opened binary.  */
+  unsigned int __create:1;	/* Create the file.  */
+  unsigned int __exclusive:1;	/* Error if it already exists.  */
+  unsigned int __truncate:1;	/* Truncate the file on opening.  */
+} __io_mode;
+
+
+/* Functions to do I/O and file management for a stream.  */
+
+/* Read NBYTES bytes from COOKIE into a buffer pointed to by BUF.
+   Return number of bytes read.  */
+typedef __ssize_t __io_read_fn __P ((__ptr_t __cookie, char *__buf,
+				     size_t __nbytes));
+
+/* Write N bytes pointed to by BUF to COOKIE.  Write all N bytes
+   unless there is an error.  Return number of bytes written, or -1 if
+   there is an error without writing anything.  If the file has been
+   opened for append (__mode.__append set), then set the file pointer
+   to the end of the file and then do the write; if not, just write at
+   the current file pointer.  */
+typedef __ssize_t __io_write_fn __P ((__ptr_t __cookie, __const char *__buf,
+				      size_t __n));
+
+/* Move COOKIE's file position to *POS bytes from the
+   beginning of the file (if W is SEEK_SET),
+   the current position (if W is SEEK_CUR),
+   or the end of the file (if W is SEEK_END).
+   Set *POS to the new file position.
+   Returns zero if successful, nonzero if not.  */
+typedef int __io_seek_fn __P ((__ptr_t __cookie, fpos_t *__pos, int __w));
+
+/* Close COOKIE.  */
+typedef int __io_close_fn __P ((__ptr_t __cookie));
+
+/* Return the file descriptor associated with COOKIE,
+   or -1 on error.  There need not be any associated file descriptor.  */
+typedef int __io_fileno_fn __P ((__ptr_t __cookie));
+
+#ifdef __USE_GNU
+/* User-visible names for the above.  */
+typedef __io_read_fn cookie_read_function_t;
+typedef __io_write_fn cookie_write_function_t;
+typedef __io_seek_fn cookie_seek_function_t;
+typedef __io_close_fn cookie_close_function_t;
+typedef __io_fileno_fn cookie_fileno_function_t;
+#endif
+
+/* Low level interface, independent of FILE representation.  */
+#if defined (__USE_GNU) && !defined (_LIBC)
+/* Define the user-visible type, with user-friendly member names.  */
+typedef struct
+{
+  __io_read_fn *read;		/* Read bytes.  */
+  __io_write_fn *write;		/* Write bytes.  */
+  __io_seek_fn *seek;		/* Seek/tell file position.  */
+  __io_close_fn *close;		/* Close file.  */
+  __io_fileno_fn *fileno;	/* Return file descriptor.  */
+} cookie_io_functions_t;
+/* This name is still used in the prototypes in this file.  */
+typedef cookie_io_functions_t __io_functions;
+#else
+/* Stick to ANSI-safe names.  */
+typedef struct
+{
+  __io_read_fn *__read;		/* Read bytes.  */
+  __io_write_fn *__write;	/* Write bytes.  */
+  __io_seek_fn *__seek;		/* Seek/tell file position.  */
+  __io_close_fn *__close;	/* Close file.  */
+  __io_fileno_fn *__fileno;	/* Return file descriptor.  */
+} __io_functions;
+#endif
+
+/* Higher level interface, dependent on FILE representation.  */
+typedef struct
+{
+  /* Make room in the input buffer.  */
+  int (*__input) __P ((FILE *__stream));
+  /* Make room in the output buffer.  */
+  void (*__output) __P ((FILE *__stream, int __c));
+} __room_functions;
+
+extern __const __io_functions __default_io_functions;
+extern __const __room_functions __default_room_functions;
+
+
+/* Default close function.  */
+extern __io_close_fn __stdio_close;
+/* Open FILE with mode M, store cookie in *COOKIEPTR.  */
+extern int __stdio_open __P ((__const char *__file, __io_mode __m,
+			      __ptr_t *__cookieptr));
+/* Put out an error message for when stdio needs to die.  */
+extern void __stdio_errmsg __P ((__const char *__msg, size_t __len));
+/* Generate a unique file name (and possibly open it with mode "w+b").  */
+extern char *__stdio_gen_tempname __P ((__const char *__dir,
+					__const char *__pfx,
+					int __dir_search,
+					size_t *__lenptr,
+					FILE **__streamptr));
+
+
+/* Print out MESSAGE on the error output and abort.  */
+extern void __libc_fatal __P ((__const char *__message))
+     __attribute__ ((__noreturn__));
+
+
+/* The FILE structure.  */
+struct __stdio_file
+{
+  /* Magic number for validation.  Must be negative in open streams
+     for the glue to Unix stdio getc/putc to work.
+     NOTE: stdio/glue.c has special knowledge of these first four members.  */
+  int __magic;
+#define	_IOMAGIC	0xfedabeeb	/* Magic number to fill `__magic'.  */
+#define	_GLUEMAGIC	0xfeedbabe	/* Magic for glued Unix streams.  */
+
+  char *__bufp;			/* Pointer into the buffer.  */
+  char *__get_limit;		/* Reading limit.  */
+  char *__put_limit;		/* Writing limit.  */
+
+  char *__buffer;		/* Base of buffer.  */
+  size_t __bufsize;		/* Size of the buffer.  */
+  __ptr_t __cookie;		/* Magic cookie.  */
+  __io_mode __mode;		/* File access mode.  */
+  __io_functions __io_funcs;	/* I/O functions.  */
+  __room_functions __room_funcs;/* I/O buffer room functions.  */
+  fpos_t __offset;		/* Current file position.  */
+  fpos_t __target;		/* Target file position.  */
+  FILE *__next;			/* Next FILE in the linked list.  */
+  char *__pushback_bufp;	/* Old bufp if char pushed back.  */
+  unsigned char __pushback;	/* Pushed-back character.  */
+  unsigned int __pushed_back:1;	/* A char has been pushed back.  */
+  unsigned int __eof:1;		/* End of file encountered.  */
+  unsigned int __error:1;	/* Error encountered.  */
+  unsigned int __userbuf:1;	/* Buffer from user (should not be freed).  */
+  unsigned int __linebuf:1;	/* Flush on newline.  */
+  unsigned int __linebuf_active:1; /* put_limit is not really in use.  */
+  unsigned int __seen:1;	/* This stream has been seen.  */
+  unsigned int __ispipe:1;	/* Nonzero if opened by popen.  */
+};
+
+
+/* All macros used internally by other macros here and by stdio functions begin
+   with `__'.  All of these may evaluate their arguments more than once.  */
+
+
+/* Nonzero if STREAM is a valid stream.
+   STREAM must be a modifiable lvalue (wow, I got to use that term).
+   See stdio/glue.c for what the confusing bit is about.  */
+#define	__validfp(stream)						      \
+  (stream != NULL &&							      \
+   ((stream->__magic == _GLUEMAGIC &&					      \
+     (stream = *(((struct { int __magic; FILE **__p; } *) stream)->__p))),    \
+    (stream->__magic == _IOMAGIC)))
+
+/* Clear the error and EOF indicators of STREAM.  */
+#define	__clearerr(stream)	((stream)->__error = (stream)->__eof = 0)
+
+/* Nuke STREAM, making it unusable but available for reuse.  */
+extern void __invalidate __P ((FILE *__stream));
+
+/* Make sure STREAM->__offset and STREAM->__target are initialized.
+   Returns 0 if successful, or EOF on
+   error (but doesn't set STREAM->__error).  */
+extern int __stdio_check_offset __P ((FILE *__stream));
+
+
+/* The possibilities for the third argument to `setvbuf'.  */
+#define _IOFBF	0x1		/* Full buffering.  */
+#define _IOLBF	0x2		/* Line buffering.  */
+#define _IONBF	0x4		/* No buffering.  */
+
+
+/* Default buffer size.  */
+#define	BUFSIZ	1024
+
+
+/* End of file character.
+   Some things throughout the library rely on this being -1.  */
+#define	EOF	(-1)
+
+
+/* The possibilities for the third argument to `fseek'.
+   These values should not be changed.  */
+#define	SEEK_SET	0	/* Seek from beginning of file.  */
+#define	SEEK_CUR	1	/* Seek from current position.  */
+#define	SEEK_END	2	/* Seek from end of file.  */
+
+
+#ifdef	__USE_SVID
+/* Default path prefix for `tempnam' and `tmpnam'.  */
+#define	P_tmpdir	"/usr/tmp"
+#endif
+
+
+/* Get the values:
+   L_tmpnam	How long an array of chars must be to be passed to `tmpnam'.
+   TMP_MAX	The minimum number of unique filenames generated by tmpnam
+   		(and tempnam when it uses tmpnam's name space),
+		or tempnam (the two are separate).
+   L_ctermid	How long an array to pass to `ctermid'.
+   L_cuserid	How long an array to pass to `cuserid'.
+   FOPEN_MAX	Mininum number of files that can be open at once.
+   FILENAME_MAX	Maximum length of a filename.  */
+#include <stdio_lim.h>
+
+
+/* All the known streams are in a linked list
+   linked by the `next' field of the FILE structure.  */
+extern FILE *__stdio_head;	/* Head of the list.  */
+
+/* Standard streams.  */
+extern FILE *stdin, *stdout, *stderr;
+#ifdef __STRICT_ANSI__
+/* ANSI says these are macros; satisfy pedants.  */
+#define	stdin	stdin
+#define	stdout	stdout
+#define	stderr	stderr
+#endif
+
+
+/* Remove file FILENAME.  */
+extern int remove __P ((__const char *__filename));
+/* Rename file OLD to NEW.  */
+extern int rename __P ((__const char *__old, __const char *__new));
+
+
+/* Create a temporary file and open it read/write.  */
+extern FILE *tmpfile __P ((void));
+/* Generate a temporary filename.  */
+extern char *tmpnam __P ((char *__s));
+
+
+#ifdef	__USE_SVID
+/* Generate a unique temporary filename using up to five characters of PFX
+   if it is not NULL.  The directory to put this file in is searched for
+   as follows: First the environment variable "TMPDIR" is checked.
+   If it contains the name of a writable directory, that directory is used.
+   If not and if DIR is not NULL, that value is checked.  If that fails,
+   P_tmpdir is tried and finally "/tmp".  The storage for the filename
+   is allocated by `malloc'.  */
+extern char *tempnam __P ((__const char *__dir, __const char *__pfx));
+#endif
+
+
+/* This performs actual output when necessary, flushing
+   STREAM's buffer and optionally writing another character.  */
+extern int __flshfp __P ((FILE *__stream, int __c));
+
+
+/* Close STREAM, or all streams if STREAM is NULL.  */
+extern int fclose __P ((FILE *__stream));
+/* Flush STREAM, or all streams if STREAM is NULL.  */
+extern int fflush __P ((FILE *__stream));
+
+
+/* Open a file and create a new stream for it.  */
+extern FILE *fopen __P ((__const char *__filename, __const char *__modes));
+/* Open a file, replacing an existing stream with it. */
+extern FILE *freopen __P ((__const char *__filename,
+			   __const char *__modes, FILE *__stream));
+
+/* Return a new, zeroed, stream.
+   You must set its cookie and io_mode.
+   The first operation will give it a buffer unless you do.
+   It will also give it the default functions unless you set the `seen' flag.
+   The offset is set to -1, meaning it will be determined by doing a
+   stationary seek.  You can set it to avoid the initial tell call.
+   The target is set to -1, meaning it will be set to the offset
+   before the target is needed.
+   Returns NULL if a stream can't be created.  */
+extern FILE *__newstream __P ((void));
+
+#ifdef	__USE_POSIX
+/* Create a new stream that refers to an existing system file descriptor.  */
+extern FILE *fdopen __P ((int __fd, __const char *__modes));
+#endif
+
+#ifdef	__USE_GNU
+/* Create a new stream that refers to the given magic cookie,
+   and uses the given functions for input and output.  */
+extern FILE *fopencookie __P ((__ptr_t __magic_cookie, __const char *__modes,
+			       __io_functions __io_funcs));
+
+/* Create a new stream that refers to a memory buffer.  */
+extern FILE *fmemopen __P ((__ptr_t __s, size_t __len, __const char *__modes));
+
+/* Open a stream that writes into a malloc'd buffer that is expanded as
+   necessary.  *BUFLOC and *SIZELOC are updated with the buffer's location
+   and the number of characters written on fflush or fclose.  */
+extern FILE *open_memstream __P ((char **__bufloc, size_t *__sizeloc));
+#endif
+
+
+/* If BUF is NULL, make STREAM unbuffered.
+   Else make it use buffer BUF, of size BUFSIZ.  */
+extern void setbuf __P ((FILE *__stream, char *__buf));
+/* Make STREAM use buffering mode MODE.
+   If BUF is not NULL, use N bytes of it for buffering;
+   else allocate an internal buffer N bytes long.  */
+extern int setvbuf __P ((FILE *__stream, char *__buf,
+			 int __modes, size_t __n));
+
+#ifdef	__USE_BSD
+/* If BUF is NULL, make STREAM unbuffered.
+   Else make it use SIZE bytes of BUF for buffering.  */
+extern void setbuffer __P ((FILE *__stream, char *__buf, size_t __size));
+
+/* Make STREAM line-buffered.  */
+extern void setlinebuf __P ((FILE *__stream));
+#endif
+
+
+/* Write formatted output to STREAM.  */
+extern int fprintf __P ((FILE *__stream, __const char *__format, ...));
+/* Write formatted output to stdout.  */
+extern int printf __P ((__const char *__format, ...));
+/* Write formatted output to S.  */
+extern int sprintf __P ((char *__s, __const char *__format, ...));
+
+/* Write formatted output to S from argument list ARG.  */
+extern int vfprintf __P ((FILE *__s, __const char *__format,
+			  __gnuc_va_list __arg));
+/* Write formatted output to stdout from argument list ARG.  */
+extern int vprintf __P ((__const char *__format, __gnuc_va_list __arg));
+/* Write formatted output to S from argument list ARG.  */
+extern int vsprintf __P ((char *__s, __const char *__format,
+			  __gnuc_va_list __arg));
+
+#ifdef	__OPTIMIZE__
+extern __inline int
+vprintf (const char *__fmt, __gnuc_va_list __arg)
+{
+  return vfprintf (stdout, __fmt, __arg);
+}
+#endif /* Optimizing.  */
+
+#ifdef	__USE_GNU
+/* Maximum chars of output to write in MAXLEN.  */
+extern int snprintf __P ((char *__s, size_t __maxlen,
+			  __const char *__format, ...));
+
+extern int vsnprintf __P ((char *__s, size_t __maxlen,
+			   __const char *__format, __gnuc_va_list __arg));
+
+/* Write formatted output to a string dynamically allocated with `malloc'.
+   Store the address of the string in *PTR.  */
+extern int vasprintf __P ((char **__ptr, __const char *__f,
+			   __gnuc_va_list __arg));
+extern int asprintf __P ((char **__ptr, __const char *__fmt, ...));
+
+/* Write formatted output to a file descriptor.  */
+extern int vdprintf __P ((int __fd, __const char *__fmt,
+			  __gnuc_va_list __arg));
+extern int dprintf __P ((int __fd, __const char *__fmt, ...));
+#endif
+
+
+/* Read formatted input from STREAM.  */
+extern int fscanf __P ((FILE *__stream, __const char *__format, ...));
+/* Read formatted input from stdin.  */
+extern int scanf __P ((__const char *__format, ...));
+/* Read formatted input from S.  */
+extern int sscanf __P ((__const char *__s, __const char *__format, ...));
+
+#ifdef	__USE_GNU
+/* Read formatted input from S into argument list ARG.  */
+extern int __vfscanf __P ((FILE *__s, __const char *__format,
+			   __gnuc_va_list __arg));
+extern int vfscanf __P ((FILE *__s, __const char *__format,
+			 __gnuc_va_list __arg));
+
+/* Read formatted input from stdin into argument list ARG.  */
+extern int vscanf __P ((__const char *__format, __gnuc_va_list __arg));
+
+/* Read formatted input from S into argument list ARG.  */
+extern int __vsscanf __P ((__const char *__s, __const char *__format,
+			   __gnuc_va_list __arg));
+extern int vsscanf __P ((__const char *__s, __const char *__format,
+			 __gnuc_va_list __arg));
+
+
+#ifdef	__OPTIMIZE__
+extern __inline int
+vfscanf (FILE *__s, const char *__fmt, __gnuc_va_list __arg)
+{
+  return __vfscanf (__s, __fmt, __arg);
+}
+extern __inline int
+vscanf (const char *__fmt, __gnuc_va_list __arg)
+{
+  return __vfscanf (stdin, __fmt, __arg);
+}
+extern __inline int
+vsscanf (const char *__s, const char *__fmt, __gnuc_va_list __arg)
+{
+  return __vsscanf (__s, __fmt, __arg);
+}
+#endif /* Optimizing.  */
+#endif /* Use GNU.  */
+
+
+/* This does actual reading when necessary, filling STREAM's
+   buffer and returning the first character in it.  */
+extern int __fillbf __P ((FILE *__stream));
+
+
+/* Read a character from STREAM.  */
+extern int fgetc __P ((FILE *__stream));
+extern int getc __P ((FILE *__stream));
+
+/* Read a character from stdin.  */
+extern int getchar __P ((void));
+
+/* The C standard explicitly says this can
+   re-evaluate its argument, so it does. */
+#define	__getc(stream)							      \
+  ((stream)->__bufp < (stream)->__get_limit ?				      \
+   (int) ((unsigned char) *(stream)->__bufp++) : __fillbf(stream))
+
+/* The C standard explicitly says this is a macro,
+   so we always do the optimization for it.  */
+#define	getc(stream)	__getc(stream)
+
+#ifdef	__OPTIMIZE__
+extern __inline int
+getchar (void)
+{
+  return __getc (stdin);
+}
+#endif /* Optimizing.  */
+
+
+/* Write a character to STREAM.  */
+extern int fputc __P ((int __c, FILE *__stream));
+extern int putc __P ((int __c, FILE *__stream));
+
+/* Write a character to stdout.  */
+extern int putchar __P ((int __c));
+
+
+/* The C standard explicitly says this can
+   re-evaluate its arguments, so it does.  */
+#define	__putc(c, stream)						      \
+  ((stream)->__bufp < (stream)->__put_limit ?				      \
+   (int) (unsigned char) (*(stream)->__bufp++ = (unsigned char) (c)) :	      \
+   __flshfp ((stream), (unsigned char) (c)))
+
+/* The C standard explicitly says this can be a macro,
+   so we always do the optimization for it.  */
+#define	putc(c, stream)	__putc ((c), (stream))
+
+#ifdef __OPTIMIZE__
+extern __inline int
+putchar (int __c)
+{
+  return __putc (__c, stdout);
+}
+#endif
+
+
+#if defined(__USE_SVID) || defined(__USE_MISC)
+/* Get a word (int) from STREAM.  */
+extern int getw __P ((FILE *__stream));
+
+/* Write a word (int) to STREAM.  */
+extern int putw __P ((int __w, FILE *__stream));
+#endif
+
+
+/* Get a newline-terminated string of finite length from STREAM.  */
+extern char *fgets __P ((char *__s, int __n, FILE *__stream));
+
+/* Get a newline-terminated string from stdin, removing the newline.
+   DO NOT USE THIS FUNCTION!!  There is no limit on how much it will read.  */
+extern char *gets __P ((char *__s));
+
+
+#ifdef	__USE_GNU
+#include <sys/types.h>
+
+/* Read up to (and including) a DELIMITER from STREAM into *LINEPTR
+   (and null-terminate it). *LINEPTR is a pointer returned from malloc (or
+   NULL), pointing to *N characters of space.  It is realloc'd as
+   necessary.  Returns the number of characters read (not including the
+   null terminator), or -1 on error or EOF.  */
+ssize_t __getdelim __P ((char **__lineptr, size_t *__n,
+			 int __delimiter, FILE *__stream));
+ssize_t getdelim __P ((char **__lineptr, size_t *__n,
+		       int __delimiter, FILE *__stream));
+
+/* Like `getdelim', but reads up to a newline.  */
+ssize_t __getline __P ((char **__lineptr, size_t *__n, FILE *__stream));
+ssize_t getline __P ((char **__lineptr, size_t *__n, FILE *__stream));
+
+#ifdef	__OPTIMIZE__
+extern __inline ssize_t
+__getline (char **__lineptr, size_t *__n, FILE *__stream)
+{
+  return __getdelim (__lineptr, __n, '\n', __stream);
+}
+
+extern __inline ssize_t
+getdelim (char **__lineptr, size_t *__n, int __delimiter, FILE *__stream)
+{
+  return __getdelim (__lineptr, __n, __delimiter, __stream);
+}
+extern __inline ssize_t
+getline (char **__lineptr, size_t *__n, FILE *__stream)
+{
+  return __getline (__lineptr, __n, __stream);
+}
+#endif /* Optimizing.  */
+#endif
+
+
+/* Write a string to STREAM.  */
+extern int fputs __P ((__const char *__s, FILE *__stream));
+/* Write a string, followed by a newline, to stdout.  */
+extern int puts __P ((__const char *__s));
+
+
+/* Push a character back onto the input buffer of STREAM.  */
+extern int ungetc __P ((int __c, FILE *__stream));
+
+
+/* Read chunks of generic data from STREAM.  */
+extern size_t fread __P ((__ptr_t __ptr, size_t __size,
+			  size_t __n, FILE *__stream));
+/* Write chunks of generic data to STREAM.  */
+extern size_t fwrite __P ((__const __ptr_t __ptr, size_t __size,
+			   size_t __n, FILE *__s));
+
+
+/* Seek to a certain position on STREAM.  */
+extern int fseek __P ((FILE *__stream, long int __off, int __whence));
+/* Return the current position of STREAM.  */
+extern long int ftell __P ((FILE *__stream));
+/* Rewind to the beginning of STREAM.  */
+extern void rewind __P ((FILE *__stream));
+
+/* Get STREAM's position.  */
+extern int fgetpos __P ((FILE *__stream, fpos_t *__pos));
+/* Set STREAM's position.  */
+extern int fsetpos __P ((FILE *__stream, __const fpos_t *__pos));
+
+
+/* Clear the error and EOF indicators for STREAM.  */
+extern void clearerr __P ((FILE *__stream));
+/* Return the EOF indicator for STREAM.  */
+extern int feof __P ((FILE *__stream));
+/* Return the error indicator for STREAM.  */
+extern int ferror __P ((FILE *__stream));
+
+#ifdef	__OPTIMIZE__
+#define	feof(stream)	((stream)->__eof != 0)
+#define	ferror(stream)	((stream)->__error != 0)
+#endif /* Optimizing.  */
+
+
+/* Print a message describing the meaning of the value of errno.  */
+extern void perror __P ((__const char *__s));
+
+#ifdef	__USE_BSD
+extern int sys_nerr;
+extern char *sys_errlist[];
+#endif
+#ifdef	__USE_GNU
+extern int _sys_nerr;
+extern char *_sys_errlist[];
+#endif
+
+
+#ifdef	__USE_POSIX
+/* Return the system file descriptor for STREAM.  */
+extern int fileno __P ((FILE *__stream));
+#endif /* Use POSIX.  */
+
+
+#if (defined (__USE_POSIX2) || defined(__USE_SVID) || defined(__USE_BSD) || \
+     defined(__USE_MISC))
+/* Create a new stream connected to a pipe running the given command.  */
+extern FILE *popen __P ((__const char *__command, __const char *__modes));
+
+/* Close a stream opened by popen and return the status of its child.  */
+extern int pclose __P ((FILE *__stream));
+#endif
+
+
+#ifdef	__USE_POSIX
+/* Return the name of the controlling terminal.  */
+extern char *ctermid __P ((char *__s));
+/* Return the name of the current user.  */
+extern char *cuserid __P ((char *__s));
+#endif
+
+
+#ifdef	__USE_GNU
+struct obstack;			/* See <obstack.h>.  */
+
+/* Open a stream that writes to OBSTACK.  */
+extern FILE *open_obstack_stream __P ((struct obstack *__obstack));
+
+/* Write formatted output to an obstack.  */
+extern int obstack_printf __P ((struct obstack *__obstack,
+				__const char *__format, ...));
+extern int obstack_vprintf __P ((struct obstack *__obstack,
+				 __const char *__format,
+				 __gnuc_va_list __args));
+#endif
+
+
+__END_DECLS
+
+#endif /* <stdio.h> included.  */
+
+#endif /* stdio.h  */