-/* Copyright (C) 1990 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993 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 General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
+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 General Public License for more details.
+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 General Public License
-along with the GNU C Library; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+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>
#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
-#define __need___off_t
-#include <sys/types.h>
-#endif /* Don't need FILE. */
+#include <gnu/types.h>
+#endif /* Don't need FILE. */
#undef __need_FILE
typedef struct __stdio_file FILE;
#define __FILE_defined 1
-#endif /* FILE not defined. */
+#endif /* FILE not defined. */
#ifdef _STDIO_H
/* The type of the second argument to `fgetpos' and `fsetpos'. */
typedef __off_t fpos_t;
-/* The current direction of I/O: reading, writing, or in between. */
-typedef enum { __READING, __WRITING, __CHANGING } __io_direction;
-
-
/* 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 __bin: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;
+{
+ 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. */
-typedef int EXFUN(__io_read, (PTR __cookie, char *__buf, size_t __nbytes));
-typedef int EXFUN(__io_write, (PTR __cookie, CONST char *__buf, size_t __n));
-typedef int EXFUN(__io_seek, (PTR __cookie, fpos_t *__pos, int __w));
-typedef int EXFUN(__io_close, (PTR __cookie));
+/* Read NBYTES bytes from COOKIE into a buffer pointed to by BUF.
+ Return number of bytes read. */
+typedef __ssize_t __io_read __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 __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 __P ((__ptr_t __cookie, fpos_t *__pos, int __w));
+
+/* Close COOKIE. */
+typedef int __io_close __P ((__ptr_t __cookie));
/* Low level interface, independent of FILE representation. */
typedef struct
- {
- __io_read *__read; /* Read bytes. */
- __io_write *__write; /* Write bytes. */
- __io_seek *__seek; /* Seek/tell file position. */
- __io_close *__close; /* Close file. */
- } __io_functions;
+{
+ __io_read *__read; /* Read bytes. */
+ __io_write *__write; /* Write bytes. */
+ __io_seek *__seek; /* Seek/tell file position. */
+ __io_close *__close; /* Close file. */
+} __io_functions;
/* Higher level interface, dependent on FILE representation. */
typedef struct
- {
- /* Make room in the input buffer. */
- int EXFUN((*__input), (FILE *__stream));
- /* Make room in the output buffer. */
- void EXFUN((*__output), (FILE *__stream, int __flush_only, int __c));
- } __room_functions;
+{
+ /* 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;
+extern __const __io_functions __default_io_functions;
+extern __const __room_functions __default_room_functions;
/* Default close function. */
extern __io_close __stdio_close;
/* Open FILE with mode M, return cookie or NULL to use an int in *DP. */
-extern PTR EXFUN(__stdio_open, (CONST char *__file, __io_mode __m, int *__dp));
-/* Decide the type of buffering and buffer size used for COOKIE. */
-extern void EXFUN(__stdio_linebf, (PTR __cookie, int *__buffering,
- size_t *__bufsize, __io_functions *__iof,
- __room_functions *__rf));
+extern __ptr_t __stdio_open __P ((__const char *__file, __io_mode __m,
+ int *__dp));
/* Put out an error message for when stdio needs to die. */
-extern void EXFUN(__stdio_errmsg, (CONST char *__msg, size_t __len));
+extern void __stdio_errmsg __P ((__const char *__msg, size_t __len));
/* Generate a unique file name. */
-extern char *EXFUN(__stdio_gen_tempname, (CONST char *__dir, CONST char *__pfx,
- int __dir_search, size_t *__lenptr));
+extern char *__stdio_gen_tempname __P ((__const char *__dir,
+ __const char *__pfx,
+ int __dir_search, size_t *__lenptr));
#ifndef __NORETURN
#ifdef __GNUC__
#define __NORETURN __volatile
-#else /* Not GCC. */
+#else /* Not GCC. */
#define __NORETURN
-#endif /* GCC. */
-#endif /* __NORETURN not defined. */
+#endif /* GCC. */
+#endif /* __NORETURN not defined. */
/* Print out MESSAGE on the error output and abort. */
-extern __NORETURN void EXFUN(__libc_fatal, (CONST char *__message));
+extern __NORETURN void __libc_fatal __P ((__const char *__message));
/* The FILE structure. */
struct __stdio_file
- {
- FILE *__next; /* Next FILE in the linked list. */
- char *__buf; /* Base of buffer. */
- char *__bp; /* Pointer into the buffer. */
- char *__end; /* Pointer past end of the buffer. */
- size_t __bufsz; /* Size of the buffer. */
- PTR __crunch; /* Magic cookie. */
- int __fd; /* System file descriptor. */
- unsigned char __magic; /* Magic number for validation. */
-#define _IOMAGIC 0xd5 /* Magic number to fill `__magic'. */
- char __pb_buf[3]; /* Pushback buffer. */
- size_t __pb_count; /* Count of chars pushed back. */
- __io_mode __iomode; /* File access mode. */
- unsigned int __eof:1; /* End of file encountered. */
- unsigned int __error:1; /* Error encountered. */
- unsigned int __usrbuf:1; /* Buffer is from user. */
- unsigned int __lnbuf:1; /* Flush on newline. */
- unsigned int __beenseen:1; /* This stream has been seen. */
- unsigned int __isapipe:1; /* Nonzero if opened by popen. */
- unsigned int __iodir:2; /* Current direction of I/O. */
- __io_functions __iofuncs; /* I/O functions. */
- __room_functions __roomfuncs; /* I/O buffer room functions. */
- fpos_t __off; /* Offset of the buffer. */
- };
+{
+ /* Magic number for validation. Must be negative in open streams
+ for the glue to Unix stdio getc/putc to work. */
+ 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. */
+ FILE *__next; /* Next FILE in the linked list. */
+ __ptr_t __cookie; /* Magic cookie. */
+ int __fileno; /* System file descriptor. */
+ unsigned char __pushback; /* Pushed-back character. */
+ char *__pushback_bufp; /* Old bufp if char pushed back. */
+ 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 is from user. */
+ unsigned int __linebuf:1; /* Flush on newline. */
+ unsigned int __seen:1; /* This stream has been seen. */
+ unsigned int __ispipe:1; /* Nonzero if opened by popen. */
+ __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. */
+};
/* 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. */
-#define __validfp(stream) ((stream) != NULL && (stream)->__magic == _IOMAGIC)
-
-
-/* Check to see if I/O for STREAM is going in
- direction DIR and signal a fatal error if so. */
-#define __ill_dirch_check(stream, dir) \
- (__direction(stream) == (dir) && (__stdio_ill_dirch(dir), 0))
-
-/* Print a message about an illegal direction change and abort. */
-extern __NORETURN void EXFUN(__stdio_ill_dirch, (__io_direction __dir));
-
-
-/* This must be called before each function that does output. */
-#define __beginwrite(stream) \
- do \
- switch (__direction(stream)) \
- { \
- case __READING: \
- __stdio_ill_dirch(__READING); \
- break; \
- case __WRITING: \
- break; \
- case __CHANGING: \
- /* The buffer is empty. */ \
- __bufp(stream) = __buffer(stream); \
- if (__linebuf(stream)) \
- __endp(stream) = __bufp(stream); \
- __set_direction(stream, __WRITING); \
- } \
- while (0)
-
-
-/* These macros hide the member names of the FILE structure by providing
- access to their information in the form of pseudo-functions. */
-
-#define __direction(stream) ((__io_direction) (stream)->__iodir)
-#define __set_direction(stream, direction) \
- ((stream)->__iodir = (unsigned int) (direction))
-#define __seen(stream) ((stream)->__beenseen)
-#define __linebuf(stream) ((stream)->__lnbuf)
-#define __userbuf(stream) ((stream)->__usrbuf)
-#define __ispipe(stream) ((stream)->__isapipe)
-
-#define __mode(stream) ((stream)->__iomode)
-#define __canread(stream) (__mode(stream).__read)
-#define __canwrite(stream) (__mode(stream).__write)
-#define __binary(stream) (__mode(stream).__bin)
-
-#define __buffer(stream) ((stream)->__buf)
-#define __bufp(stream) ((stream)->__bp)
-#define __bufsize(stream) ((stream)->__bufsz)
-#define __endp(stream) ((stream)->__end)
-
-#define __charsleft(stream) (__endp(stream) - __bufp(stream))
-
-#define __feof(stream) ((stream)->__eof)
-#define __ferror(stream) ((stream)->__error)
-
-#define __cookie(stream) ((stream)->__crunch)
-#define __fileno(stream) ((stream)->__fd)
-
-#define __io_funcs(stream) ((stream)->__iofuncs)
-#define __room_funcs(stream) ((stream)->__roomfuncs)
-
-#define __offset(stream) ((stream)->__off)
-
+/* 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 = *(FILE **) ((int *) stream)[1])), \
+ (stream->__magic == _IOMAGIC))) \
/* Clear the error and EOF indicators of STREAM. */
-#define __clearerr(stream) (__ferror(stream) = __feof(stream) = 0)
-
-
-/* Set the magic cookie to the fd and the I/O functions to their
- defaults and set the `seen' flag so it won't be done again. */
-#define __see(stream) \
- ((void) (__cookie(stream) = (PTR) &__fileno(stream), \
- __io_funcs(stream) = __default_io_functions, \
- __room_funcs(stream) = __default_room_functions, \
- __seen(stream) = 1))
-
-
-/* Return one of the standard buffering-method constants,
- telling which method is used by STREAM. */
-#define __buffering(stream) \
- ((__buffer(stream) && __buffer(stream) != (stream)->__pb_buf) ? \
- (__linebuf(stream) ? _IOLBF : _IOFBF) : \
- (__userbuf(stream) ? _IONBF : _IOFBF)) \
-
+#define __clearerr(stream) ((stream)->__error = (stream)->__eof = 0)
/* Nuke STREAM, making it unusable but available for reuse. */
-extern void EXFUN(__invalidate, (FILE *__stream));
+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. */
+#define _IOFBF 0x1 /* Full buffering. */
+#define _IOLBF 0x2 /* Line buffering. */
+#define _IONBF 0x4 /* No buffering. */
/* Default buffer size. */
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_limits.h>
+#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. */
-extern FILE *__stdio_tail; /* Tail of the list. */
-/* The standard streams (standard input, output, and error) must be
- defined statically because they are never opened. They are still
- part of the linked list; _stdio_head is initialized to point to
- the first of them and _stdio_tail to the last and all of their
- `next' fields point to the appropriate next address. */
-extern FILE stdin[1], stdout[1], stderr[1];
+/* Standard streams. */
+extern FILE *stdin, *stdout, *stderr;
/* Remove file FILENAME. */
-extern int EXFUN(remove, (CONST char *__filename));
+extern int remove __P ((__const char *__filename));
/* Rename file OLD to NEW. */
-extern int EXFUN(rename, (CONST char *__old, CONST char *__new));
+extern int rename __P ((__const char *__old, __const char *__new));
/* Create a temporary file and open it read/write. */
-extern FILE *EXFUN(tmpfile, (NOARGS));
+extern FILE *tmpfile __P ((void));
/* Generate a temporary filename. */
-extern char *EXFUN(tmpnam, (char *__s));
+extern char *tmpnam __P ((char *__s));
#ifdef __USE_SVID
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 *EXFUN(tempnam, (CONST char *__dir, CONST char *__pfx));
+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 EXFUN(__flshfp, (FILE *__stream, int __c,
- int __flush_only));
+extern int __flshfp __P ((FILE *__stream, int __c));
/* Close STREAM, or all streams if STREAM is NULL. */
-extern int EXFUN(fclose, (FILE *__stream));
+extern int fclose __P ((FILE *__stream));
/* Flush STREAM, or all streams if STREAM is NULL. */
-extern int EXFUN(fflush, (FILE *__stream));
+extern int fflush __P ((FILE *__stream));
/* Open a file and create a new stream for it. */
-extern FILE *EXFUN(fopen, (CONST char *__filename, CONST char *__modes));
+extern FILE *fopen __P ((__const char *__filename, __const char *__modes));
/* Open a file, replacing an existing stream with it. */
-extern FILE *EXFUN(freopen, (CONST char *__filename,
- CONST char *__modes, FILE *__stream));
-
-/* Create a new stream that refers to the given magic cookie,
- and uses the given functions for input and output. (Used internally.) */
-extern FILE *EXFUN(__fopencookie, (PTR __magic_cookie, __io_mode mode,
- __io_functions __io_functions));
+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 *EXFUN(fdopen, (int __fd, CONST char *__modes));
+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 *EXFUN(fopencookie, (PTR __magic_cookie, CONST char *__modes,
- __io_functions __io_functions));
+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 *EXFUN(fmemopen, (char *__s, size_t __len, CONST char *__modes));
+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 EXFUN(setbuf, (FILE *__stream, char *__buf));
+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 EXFUN(setvbuf, (FILE *__stream, char *__buf,
- int __modes, size_t __n));
+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 EXFUN(setbuffer, (FILE *__stream, char *__buf, size_t __size));
+extern void setbuffer __P ((FILE *__stream, char *__buf, size_t __size));
/* Make STREAM line-buffered. */
-extern void EXFUN(setlinebuf, (FILE *__stream));
+extern void setlinebuf __P ((FILE *__stream));
#endif
/* Write formatted output to STREAM. */
-extern int EXFUN(fprintf, (FILE *__stream, CONST char *__format, ...));
+extern int fprintf __P ((FILE *__stream, __const char *__format, ...));
/* Write formatted output to stdout. */
-extern int EXFUN(printf, (CONST char *__format, ...));
+extern int printf __P ((__const char *__format, ...));
/* Write formatted output to S. */
-extern int EXFUN(sprintf, (char *__s, CONST char *__format, ...));
+extern int sprintf __P ((char *__s, __const char *__format, ...));
/* Write formatted output to S from argument list ARG. */
-extern int EXFUN(vfprintf, (FILE *__s, CONST char *__format, __va_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 EXFUN(vprintf, (CONST char *__format, __va_list __arg));
+extern int vprintf __P ((__const char *__format, __ptr_t __arg));
/* Write formatted output to S from argument list ARG. */
-extern int EXFUN(vsprintf, (char *__s, CONST char *__format, __va_list __arg));
-
-/* Write formatted output to S from argument list ARG.
- If LIMIT is nonzero, process no more than MAX specs. */
-extern int EXFUN(__vflprintf, (FILE *__s, CONST char *__format,
- __va_list __arg, int __limit, size_t __max));
+extern int vsprintf __P ((char *__s, __const char *__format,
+ __gnuc_va_list __arg));
#ifdef __OPTIMIZE__
-#define vfprintf(s, format, arg) __vflprintf((s), (format), (arg), 0, 0)
-#define vprintf(fmt, arg) __vflprintf(stdout, (fmt), (arg), 0, 0)
-#endif /* Optimizing. */
+#define vprintf(fmt, arg) vfprintf(stdout, (fmt), (arg))
+#endif /* Optimizing. */
#ifdef __USE_GNU
/* Maximum chars of output to write in MAXLEN. */
-extern int EXFUN(snprintf, (char *__s, size_t __maxlen,
- CONST char *__format, ...));
-
-extern int EXFUN(vsnprintf, (char *__s, size_t __maxlen,
- CONST char *__format, __va_list __arg));
-
-/* Process no more than N format specifiers. */
-extern int EXFUN(vflprintf, (FILE *__s, size_t __n,
- CONST char *__format, __va_list __arg));
-
-#ifdef __OPTIMIZE__
-#define vflprintf(s, n, fmt, arg) __vflprintf((s), (fmt), (arg), 1, (n))
-#endif /* Optimizing. */
-
-extern int EXFUN(vslprintf, (char *__s, size_t __n,
- CONST char *__format, __va_list __arg));
-
-/* Write formatted output to S from FORMAT with arguments from ARG,
- writing no more than MAXLEN chars and processing no more than N specs. */
-extern int EXFUN(vslnprintf, (char *__s, size_t __n, size_t __maxlen,
- CONST char *__format, __va_list __arg));
+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 EXFUN(vasprintf, (char **__ptr, CONST char *__f, __va_list __arg));
-extern int EXFUN(asprintf, (char **__ptr, CONST char *__fmt, ...));
+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 EXFUN(fscanf, (FILE *__stream, CONST char *__format, ...));
+extern int fscanf __P ((FILE *__stream, __const char *__format, ...));
/* Read formatted input from stdin. */
-extern int EXFUN(scanf, (CONST char *__format, ...));
+extern int scanf __P ((__const char *__format, ...));
/* Read formatted input from S. */
-extern int EXFUN(sscanf, (CONST char *__s, CONST char *__format, ...));
+extern int sscanf __P ((__const char *__s, __const char *__format, ...));
#ifdef __USE_GNU
/* Read formatted input from S into argument list ARG. */
-extern int EXFUN(__vfscanf, (FILE *__s, CONST char *__format,
- __va_list __arg));
-extern int EXFUN(vfscanf, (FILE *__s, CONST char *__format,
- __va_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 EXFUN(vscanf, (CONST char *__format, __va_list __arg));
+extern int vscanf __P ((__const char *__format, __gnuc_va_list __arg));
/* Read formatted input from S into argument list ARG. */
-extern int EXFUN(__vsscanf, (CONST char *__s, CONST char *__format,
- __va_list __arg));
-extern int EXFUN(vsscanf, (CONST char *__s, CONST char *__format,
- __va_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__
#define vfscanf(s, format, arg) __vfscanf((s), (format), (arg))
#define vscanf(format, arg) __vfscanf(stdin, (format), (arg))
#define vsscanf(s, format, arg) __vsscanf((s), (format), (arg))
-#endif /* Optimizing. */
-#endif /* Use GNU. */
+#endif /* Optimizing. */
+#endif /* Use GNU. */
/* This does actual reading when necessary, filling STREAM's
buffer and returning the first character in it. */
-extern int EXFUN(__fillbf, (FILE *__stream));
+extern int __fillbf __P ((FILE *__stream));
/* Read a character from STREAM. */
-extern int EXFUN(fgetc, (FILE *__stream));
-extern int EXFUN(getc, (FILE *__stream));
+extern int fgetc __P ((FILE *__stream));
+extern int getc __P ((FILE *__stream));
/* Read a character from stdin. */
-extern int EXFUN(getchar, (NOARGS));
+extern int getchar __P ((void));
/* The C standard explicitly says this can
re-evaluate its argument, so it does. */
-#define __getc(stream) \
- (__bufp(stream) == __endp(stream) ? __fillbf(stream) : \
- (int) ((unsigned char) *__bufp(stream)++))
+#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. */
#ifdef __OPTIMIZE__
#define getchar() __getc(stdin)
-#endif /* Optimizing. */
+#endif /* Optimizing. */
/* Write a character to STREAM. */
-extern int EXFUN(fputc, (int __c, FILE *__stream));
-extern int EXFUN(putc, (int __c, FILE *__stream));
+extern int fputc __P ((int __c, FILE *__stream));
+extern int putc __P ((int __c, FILE *__stream));
/* Write a character to stdout. */
-extern int EXFUN(putchar, (int __c));
+extern int putchar __P ((int __c));
/* The C standard explicitly says this can
re-evaluate its arguments, so it does. */
#define __putc(c, stream) \
- (__bufp(stream) == __endp(stream) ? \
- __flshfp((stream), (c), 0) : (unsigned char) (*__bufp(stream)++ = (c)))
+ ((stream)->__bufp < (stream)->__put_limit ? \
+ (int) (unsigned char) (*(stream)->__bufp++ = (unsigned char) (c)) : \
+ ((stream)->__linebuf && (c) != '\n' && \
+ (stream)->__bufp - (stream)->__buffer < (stream)->__bufsize) ? \
+ (*(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. */
#ifdef __OPTIMIZE__
#define putchar(c) __putc((c), stdout)
-#endif /* Optimizing. */
+#endif /* Optimizing. */
#if defined(__USE_SVID) || defined(__USE_MISC)
/* Get a word (int) from STREAM. */
-extern int EXFUN(getw, (FILE *__stream));
+extern int getw __P ((FILE *__stream));
/* Write a word (int) to STREAM. */
-extern int EXFUN(putw, (int __w, FILE *__stream));
+extern int putw __P ((int __w, FILE *__stream));
#endif
/* Get a newline-terminated string of finite length from STREAM. */
-extern char *EXFUN(fgets, (char *__s, size_t __n, FILE *__stream));
+extern char *fgets __P ((char *__s, size_t __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 *EXFUN(gets, (char *__s));
+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__
+#define getdelim(l, n, d, s) __getdelim ((l), (n), (d), (s))
+#define getline(l, n, s) __getline ((l), (n), (s))
+#define __getline(l, n, stream) __getdelim ((l), (n), '\n', (stream))
+#endif /* Optimizing. */
+#endif
/* Write a string to STREAM. */
-extern int EXFUN(fputs, (CONST char *__s, FILE *__stream));
+extern int fputs __P ((__const char *__s, FILE *__stream));
/* Write a string, followed by a newline, to stdout. */
-extern int EXFUN(puts, (CONST char *__s));
+extern int puts __P ((__const char *__s));
#ifdef __OPTIMIZE__
#define puts(s) ((fputs((s), stdout) || __putc('\n', stdout) == EOF) ? EOF : 0)
-#endif /* Optimizing. */
+#endif /* Optimizing. */
/* Push a character back onto the input buffer of STREAM. */
-extern int EXFUN(ungetc, (int __c, FILE *__stream));
+extern int ungetc __P ((int __c, FILE *__stream));
/* Read chunks of generic data from STREAM. */
-extern size_t EXFUN(fread, (PTR __ptr, size_t __size,
- size_t __n, FILE *__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 EXFUN(fwrite, (CONST PTR __ptr, size_t __size,
- size_t __n, FILE *__s));
+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 EXFUN(fseek, (FILE *__stream, long int __off, int __whence));
+extern int fseek __P ((FILE *__stream, long int __off, int __whence));
/* Return the current position of STREAM. */
-extern long int EXFUN(ftell, (FILE *__stream));
+extern long int ftell __P ((FILE *__stream));
/* Rewind to the beginning of STREAM. */
-extern void EXFUN(rewind, (FILE *__stream));
+extern void rewind __P ((FILE *__stream));
/* Get STREAM's position. */
-extern int EXFUN(fgetpos, (FILE *__stream, fpos_t *__pos));
+extern int fgetpos __P ((FILE *__stream, fpos_t *__pos));
/* Set STREAM's position. */
-extern int EXFUN(fsetpos, (FILE *__stream, CONST fpos_t *__pos));
+extern int fsetpos __P ((FILE *__stream, __const fpos_t *__pos));
/* Clear the error and EOF indicators for STREAM. */
-extern void EXFUN(clearerr, (FILE *__stream));
+extern void clearerr __P ((FILE *__stream));
/* Return the EOF indicator for STREAM. */
-extern int EXFUN(feof, (FILE *__stream));
+extern int feof __P ((FILE *__stream));
/* Return the error indicator for STREAM. */
-extern int EXFUN(ferror, (FILE *__stream));
+extern int ferror __P ((FILE *__stream));
#ifdef __OPTIMIZE__
-#define feof(stream) (__feof(stream) != 0)
-#define ferror(stream) (__ferror(stream) != 0)
-#endif /* Optimizing. */
+#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 EXFUN(perror, (CONST char *__s));
+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_MISC
/* Print a message describing the meaning of the given signal number. */
-extern void EXFUN(psignal, (int __sig, CONST char *__s));
-#endif /* Non strict ANSI and not POSIX only. */
+extern void psignal __P ((int __sig, __const char *__s));
+#endif /* Non strict ANSI and not POSIX only. */
#ifdef __USE_POSIX
/* Return the system file descriptor for STREAM. */
-extern int EXFUN(fileno, (CONST FILE *__stream));
+extern int fileno __P ((__const FILE *__stream));
#ifdef __OPTIMIZE__
/* The `+ 0' makes this not be an lvalue, so it can't be changed. */
-#define fileno(stream) (__fileno(stream) + 0)
-#endif /* Optimizing. */
+#define fileno(stream) ((stream)->__fileno + 0)
+#endif /* Optimizing. */
-#endif /* Use POSIX. */
+#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 *EXFUN(popen, (CONST char *__command, CONST char *__modes));
+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 EXFUN(pclose, (FILE *__stream));
+extern int pclose __P ((FILE *__stream));
#endif
#ifdef __USE_POSIX
/* Return the name of the controlling terminal. */
-extern char *EXFUN(ctermid, (char *__s));
+extern char *ctermid __P ((char *__s));
/* Return the name of the current user. */
-extern char *EXFUN(cuserid, (char *__s));
+extern char *cuserid __P ((char *__s));
#endif
-#endif /* <stdio.h> included. */
-#endif /* stdio.h */
+#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 */
projects / kopensolaris-gnu / glibc.git / blobdiff