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Diffstat (limited to 'stdio/stdio.h')
| -rw-r--r-- | stdio/stdio.h | 832 |
1 files changed, 0 insertions, 832 deletions
diff --git a/stdio/stdio.h b/stdio/stdio.h deleted file mode 100644 index 3e0a79e093..0000000000 --- a/stdio/stdio.h +++ /dev/null @@ -1,832 +0,0 @@ -/* Copyright (C) 1991-1999, 2000 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* - * ISO C99 Standard: 7.19 Input/output <stdio.h> - */ - -#ifndef _STDIO_H - -#if !defined(__need_FILE) && !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 <bits/types.h> -#define __need_FILE -#define __need___FILE -#endif /* Don't need FILE. */ - - -#if !defined __FILE_defined && defined __need_FILE - -/* The opaque type of streams. */ -typedef struct __stdio_file FILE; - -#define __FILE_defined 1 -#endif /* FILE not defined. */ -#undef __need_FILE - - -#if !defined ____FILE_defined && defined __need___FILE - -/* The opaque type of streams. */ -typedef struct __stdio_file __FILE; - -#define ____FILE_defined 1 -#endif /* __FILE not defined. */ -#undef __need___FILE - - -#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 (__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 (__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 (__ptr_t __cookie, fpos_t *__pos, int __w); - -/* Close COOKIE. */ -typedef int __io_close_fn (__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 (__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) (FILE *__stream); - /* Make room in the output buffer. */ - void (*__output) (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 (__const char *__file, __io_mode __m, - void **__cookieptr) __THROW; -/* Put out an error message for when stdio needs to die. */ -extern void __stdio_errmsg (__const char *__msg, size_t __len) __THROW; - - - -/* For thread safe I/O functions we need a lock in each stream. We - keep the type opaque here. */ -struct __stdio_lock; - -/* 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 ((int) 0xfedabeeb) /* Magic number to fill `__magic'. */ -#define _GLUEMAGIC ((int) 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. */ - struct __stdio_lock *__lock; /* Pointer to associated lock. */ -}; - - -/* 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 && \ - ({ if (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 (FILE *__stream) __THROW; - -/* 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 (FILE *__stream) __THROW; - - -/* 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 Minimum number of files that can be open at once. - FILENAME_MAX Maximum length of a filename. */ -#include <bits/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 (__const char *__filename) __THROW; -/* Rename file OLD to NEW. */ -extern int rename (__const char *__old, __const char *__new) __THROW; - - -/* Create a temporary file and open it read/write. */ -extern FILE *tmpfile (void) __THROW; -#ifdef __USE_LARGEFILE64 -extern FILE *tmpfile64 (void) __THROW; -#endif -/* Generate a temporary filename. */ -extern char *tmpnam (char *__s) __THROW; - -#ifdef __USE_REENTRANT -/* This is the reentrant variant of `tmpnam'. The only difference is - that it does not allow S to be NULL. */ -extern char *tmpnam_r (char *__s) __THROW; -#endif - - -#if defined __USE_SVID || defined __USE_XOPEN -/* 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 (__const char *__dir, __const char *__pfx) __THROW; -#endif - - -/* This performs actual output when necessary, flushing - STREAM's buffer and optionally writing another character. */ -extern int __flshfp (FILE *__stream, int __c) __THROW; - - -/* Close STREAM. */ -extern int fclose (FILE *__stream) __THROW; -/* Flush STREAM, or all streams if STREAM is NULL. */ -extern int fflush (FILE *__stream) __THROW; - -#ifdef __USE_MISC -/* Faster versions when locking is not required. */ -extern int fflush_unlocked (FILE *__stream) __THROW; -#endif - -#ifdef __USE_GNU -/* Close all streams. */ -extern int __fcloseall (void) __THROW; -extern int fcloseall (void) __THROW; -#endif - - -/* Open a file and create a new stream for it. */ -extern FILE *fopen (__const char *__filename, __const char *__modes) __THROW; -/* Open a file, replacing an existing stream with it. */ -extern FILE *freopen (__const char *__restrict __filename, - __const char *__restrict __modes, - FILE *__restrict __stream) __THROW; - -/* 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 (void) __THROW; - -#ifdef __USE_POSIX -/* Create a new stream that refers to an existing system file descriptor. */ -extern FILE *__fdopen (int __fd, __const char *__modes) __THROW; -extern FILE *fdopen (int __fd, __const char *__modes) __THROW; -#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 (void *__magic_cookie, __const char *__modes, - __io_functions __io_funcs) __THROW; - -/* Create a new stream that refers to a memory buffer. */ -extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes) __THROW; - -/* 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 (char **__bufloc, size_t *__sizeloc) __THROW; -#endif - - -/* If BUF is NULL, make STREAM unbuffered. - Else make it use buffer BUF, of size BUFSIZ. */ -extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW; -/* 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 (FILE *__restrict __stream, char *__restrict __buf, - int __modes, size_t __n) __THROW; - -#ifdef __USE_BSD -/* If BUF is NULL, make STREAM unbuffered. - Else make it use SIZE bytes of BUF for buffering. */ -extern void setbuffer (FILE *__stream, char *__buf, size_t __size) __THROW; - -/* Make STREAM line-buffered. */ -extern void setlinebuf (FILE *__stream) __THROW; -#endif - - -/* Write formatted output to STREAM. */ -extern int fprintf (FILE *__restrict __stream, - __const char *__restrict __format, ...) __THROW; -/* Write formatted output to stdout. */ -extern int printf (__const char *__restrict __format, ...) __THROW; -/* Write formatted output to S. */ -extern int sprintf (char *__restrict __s, __const char *__restrict __format, - ...) __THROW; - -/* Write formatted output to S from argument list ARG. */ -extern int vfprintf (FILE *__restrict __s, __const char *__restrict __format, - __gnuc_va_list __arg) __THROW; -/* Write formatted output to stdout from argument list ARG. */ -extern int vprintf (__const char *__restrict __format, __gnuc_va_list __arg) - __THROW; -/* Write formatted output to S from argument list ARG. */ -extern int vsprintf (char *__restrict __s, __const char *__restrict __format, - __gnuc_va_list __arg) __THROW; - -#ifdef __OPTIMIZE__ -extern __inline int -vprintf (const char *__restrict __fmt, __gnuc_va_list __arg) __THROW -{ - return vfprintf (stdout, __fmt, __arg); -} -#endif /* Optimizing. */ - -#if defined __USE_BSD || defined __USE_ISOC99 -/* Maximum chars of output to write in MAXLEN. */ -extern int __snprintf (char *__s, size_t __maxlen, - __const char *__format, ...) - __THROW __attribute__ ((__format__ (__printf__, 3, 4))); -extern int snprintf (char *__s, size_t __maxlen, __const char *__format, ...) - __THROW __attribute__ ((__format__ (__printf__, 3, 4))); - -extern int __vsnprintf (char *__s, size_t __maxlen, - __const char *__format, __gnuc_va_list __arg) - __THROW __attribute__ ((__format__ (__printf__, 3, 0))); -extern int vsnprintf (char *__s, size_t __maxlen, - __const char *__format, __gnuc_va_list __arg) - __THROW __attribute__ ((__format__ (__printf__, 3, 0))); -#endif - -#ifdef __USE_GNU -/* Write formatted output to a string dynamically allocated with `malloc'. - Store the address of the string in *PTR. */ -extern int vasprintf (char **__restrict __ptr, - __const char *__restrict __f, __gnuc_va_list __arg) - __THROW __attribute__ ((__format__ (__printf__, 2, 0))); -extern int __asprintf (char **__restrict __ptr, - __const char *__restrict __fmt, ...) - __THROW __attribute__ ((__format__ (__printf__, 2, 3))); -extern int asprintf (char **__restrict __ptr, - __const char *__restrict __fmt, ...) - __THROW __attribute__ ((__format__ (__printf__, 2, 3))); - -/* Write formatted output to a file descriptor. */ -extern int vdprintf (int __fd, __const char *__restrict __fmt, - __gnuc_va_list __arg) - __THROW __attribute__ ((__format__ (__printf__, 2, 0))); -extern int dprintf (int __fd, __const char *__restrict __fmt, ...) - __THROW __attribute__ ((__format__ (__printf__, 2, 3))); -#endif - - -/* Read formatted input from STREAM. */ -extern int fscanf (FILE *__restrict __stream, - __const char *__restrict __format, ...) __THROW; -/* Read formatted input from stdin. */ -extern int scanf (__const char *__restrict __format, ...) __THROW; -/* Read formatted input from S. */ -extern int sscanf (__const char *__restrict __s, - __const char *__restrict __format, ...) __THROW; - -#ifdef __USE_ISOC99 -/* Read formatted input from S into argument list ARG. */ -extern int __vfscanf (FILE *__s, __const char *__format, - __gnuc_va_list __arg) __THROW; -extern int vfscanf (FILE *__s, __const char *__format, - __gnuc_va_list __arg) __THROW; - -/* Read formatted input from stdin into argument list ARG. */ -extern int __vscanf (__const char *__format, __gnuc_va_list __arg) __THROW; -extern int vscanf (__const char *__format, __gnuc_va_list __arg) __THROW; - -/* Read formatted input from S into argument list ARG. */ -extern int __vsscanf (__const char *__s, __const char *__format, - __gnuc_va_list __arg) __THROW; -extern int vsscanf (__const char *__s, __const char *__format, - __gnuc_va_list __arg) __THROW; - - -#ifdef __OPTIMIZE__ -extern __inline int -vfscanf (FILE *__s, const char *__fmt, __gnuc_va_list __arg) __THROW -{ - return __vfscanf (__s, __fmt, __arg); -} -extern __inline int -vscanf (const char *__fmt, __gnuc_va_list __arg) __THROW -{ - return __vfscanf (stdin, __fmt, __arg); -} -extern __inline int -vsscanf (const char *__s, const char *__fmt, __gnuc_va_list __arg) __THROW -{ - return __vsscanf (__s, __fmt, __arg); -} -#endif /* Optimizing. */ -#endif /* Use ISO C9x. */ - - -/* This does actual reading when necessary, filling STREAM's - buffer and returning the first character in it. */ -extern int __fillbf (FILE *__stream) __THROW; - - -/* Read a character from STREAM. */ -extern int fgetc (FILE *__stream) __THROW; -extern int getc (FILE *__stream) __THROW; - -/* Read a character from stdin. */ -extern int getchar (void) __THROW; - -/* 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) __THROW -{ - return __getc (stdin); -} -#endif /* Optimizing. */ - -#if defined __USE_POSIX || defined __USE_MISC -/* These are defined in POSIX.1:1996. */ -extern int getc_unlocked (FILE *__stream) __THROW; -extern int getchar_unlocked (void) __THROW; - -# ifdef __OPTIMIZE__ -extern __inline int -getc_unlocked (FILE *__stream) __THROW -{ - return __getc (__stream); -} - -extern __inline int -getchar_unlocked (void) __THROW -{ - return __getc (stdin); -} -# endif /* Optimizing. */ -#endif /* Use POSIX or MISC. */ - - -/* Write a character to STREAM. */ -extern int fputc (int __c, FILE *__stream) __THROW; -extern int putc (int __c, FILE *__stream) __THROW; - -/* Write a character to stdout. */ -extern int putchar (int __c) __THROW; - - -/* 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) __THROW -{ - return __putc (__c, stdout); -} -#endif - -#ifdef __USE_MISC -/* Faster version when locking is not necessary. */ -extern int fputc_unlocked (int __c, FILE *__stream) __THROW; - -# ifdef __OPTIMIZE__ -extern __inline int -fputc_unlocked (int __c, FILE *__stream) __THROW -{ - return __putc (__c, __stream); -} -# endif /* Optimizing. */ -#endif /* Use MISC. */ - -#if defined __USE_POSIX || defined __USE_MISC -/* These are defined in POSIX.1:1996. */ -extern int putc_unlocked (int __c, FILE *__stream) __THROW; -extern int putchar_unlocked (int __c) __THROW; - -# ifdef __OPTIMIZE__ -extern __inline int -putc_unlocked (int __c, FILE *__stream) __THROW -{ - return __putc (__c, __stream); -} - -extern __inline int -putchar_unlocked (int __c) __THROW -{ - return __putc (__c, stdout); -} -# endif /* Optimizing. */ -#endif /* Use POSIX or MISC. */ - - -#if defined __USE_SVID || defined __USE_MISC -/* Get a word (int) from STREAM. */ -extern int getw (FILE *__stream) __THROW; - -/* Write a word (int) to STREAM. */ -extern int putw (int __w, FILE *__stream) __THROW; -#endif - - -/* Get a newline-terminated string of finite length from STREAM. */ -extern char *fgets (char *__restrict __s, int __n, - FILE *__restrict __stream) __THROW; - -#ifdef __USE_GNU -/* This function does the same as `fgets' but does not lock the stream. */ -extern char *fgets_unlocked (char *__restrict __s, int __n, - FILE *__restrict __stream) __THROW; -#endif - -/* 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 (char *__s) __THROW; - - -#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 (char **__lineptr, size_t *__n, - int __delimiter, FILE *__stream) __THROW; -ssize_t getdelim (char **__lineptr, size_t *__n, - int __delimiter, FILE *__stream) __THROW; - -/* Like `getdelim', but reads up to a newline. */ -ssize_t __getline (char **__lineptr, size_t *__n, FILE *__stream) __THROW; -ssize_t getline (char **__lineptr, size_t *__n, FILE *__stream) __THROW; - -#ifdef __OPTIMIZE__ -extern __inline ssize_t -getline (char **__lineptr, size_t *__n, FILE *__stream) __THROW -{ - return __getdelim (__lineptr, __n, '\n', __stream); -} -#endif /* Optimizing. */ -#endif - - -/* Write a string to STREAM. */ -extern int fputs (__const char *__restrict __s, FILE *__restrict __stream) - __THROW; - -#ifdef __USE_GNU -/* This function does the same as `fputs' but does not lock the stream. */ -extern int fputs_unlocked (__const char *__restrict __s, - FILE *__restrict __stream) __THROW; -#endif - -/* Write a string, followed by a newline, to stdout. */ -extern int puts (__const char *__s) __THROW; - - -/* Push a character back onto the input buffer of STREAM. */ -extern int ungetc (int __c, FILE *__stream) __THROW; - - -/* Read chunks of generic data from STREAM. */ -extern size_t fread (void *__restrict __ptr, size_t __size, - size_t __n, FILE *__restrict __stream) __THROW; -/* Write chunks of generic data to STREAM. */ -extern size_t fwrite (__const void *__restrict __ptr, size_t __size, - size_t __n, FILE *__restrict __s) __THROW; - -#ifdef __USE_MISC -/* Faster versions when locking is not necessary. */ -extern size_t fread_unlocked (void *__restrict __ptr, size_t __size, - size_t __n, FILE *__restrict __stream) __THROW; -extern size_t fwrite_unlocked (__const void *__restrict __ptr, - size_t __size, size_t __n, - FILE *__restrict __stream) __THROW; -#endif - - -/* Seek to a certain position on STREAM. */ -extern int fseek (FILE *__stream, long int __off, int __whence) __THROW; -/* Return the current position of STREAM. */ -extern long int ftell (FILE *__stream) __THROW; -/* Rewind to the beginning of STREAM. */ -extern void rewind (FILE *__stream) __THROW; - -/* Get STREAM's position. */ -extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos) - __THROW; -/* Set STREAM's position. */ -extern int fsetpos (FILE *__stream, __const fpos_t *__pos) __THROW; - - -/* Clear the error and EOF indicators for STREAM. */ -extern void clearerr (FILE *__stream) __THROW; -/* Return the EOF indicator for STREAM. */ -extern int feof (FILE *__stream) __THROW; -/* Return the error indicator for STREAM. */ -extern int ferror (FILE *__stream) __THROW; - -#ifdef __OPTIMIZE__ -#define feof(stream) ((stream)->__eof != 0) -#define ferror(stream) ((stream)->__error != 0) -#endif /* Optimizing. */ - -#ifdef __USE_MISC -/* Faster versions when locking is not required. */ -extern void clearerr_unlocked (FILE *__stream) __THROW; -extern int feof_unlocked (FILE *__stream) __THROW; -extern int ferror_unlocked (FILE *__stream) __THROW; - -# ifdef __OPTIMIZE__ -# define feof_unlocked(stream) ((stream)->__eof != 0) -# define ferror_unlocked(stream) ((stream)->__error != 0) -# endif /* Optimizing. */ -#endif - -/* Print a message describing the meaning of the value of errno. */ -extern void perror (__const char *__s) __THROW; - - -#ifdef __USE_POSIX -/* Return the system file descriptor for STREAM. */ -extern int fileno (FILE *__stream) __THROW; -#endif /* Use POSIX. */ - -#ifdef __USE_MISC -/* Faster version when locking is not required. */ -extern int fileno_unlocked (FILE *__stream) __THROW; -#endif - - -#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 (__const char *__command, __const char *__modes) __THROW; - -/* Close a stream opened by popen and return the status of its child. */ -extern int pclose (FILE *__stream) __THROW; -#endif - - -#ifdef __USE_POSIX -/* Return the name of the controlling terminal. */ -extern char *ctermid (char *__s) __THROW; -#endif - - -#ifdef __USE_XOPEN -/* Return the name of the current user. */ -extern char *cuserid (char *__s) __THROW; -#endif - - -#ifdef __USE_GNU -struct obstack; /* See <obstack.h>. */ - -/* Open a stream that writes to OBSTACK. */ -extern FILE *open_obstack_stream (struct obstack *__obstack) __THROW; - -/* Write formatted output to an obstack. */ -extern int obstack_printf (struct obstack *__obstack, - __const char *__format, ...) __THROW; -extern int obstack_vprintf (struct obstack *__obstack, __const char *__format, - __gnuc_va_list __args) __THROW; -#endif - - -#if defined __USE_POSIX || defined __USE_MISC -/* These are defined in POSIX.1:1996. */ - -/* Acquire ownership of STREAM. */ -extern void flockfile (FILE *__stream) __THROW; - -/* Try to acquire ownership of STREAM but do not block if it is not - possible. */ -extern int ftrylockfile (FILE *__stream) __THROW; - -/* Relinquish the ownership granted for STREAM. */ -extern void funlockfile (FILE *__stream) __THROW; -#endif /* POSIX || misc */ - -#if defined __USE_XOPEN && !defined __USE_GNU -/* The X/Open standard requires some functions and variables to be - declared here which do not belong into this header. But we have to - follow. In GNU mode we don't do this nonsense. */ -# define __need_getopt -# include <getopt.h> -#endif - -__END_DECLS - -#endif /* <stdio.h> included. */ - -#endif /* stdio.h */ |