| /* Define ISO C stdio on top of C++ iostreams. |
| Copyright (C) 1991, 94, 95, 96, 97, 98 Free Software Foundation, Inc. |
| |
| 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., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* |
| * ISO C Standard: 4.9 INPUT/OUTPUT <stdio.h> |
| */ |
| |
| #ifndef _STDIO_H |
| |
| #ifndef __need_FILE |
| # define _STDIO_H 1 |
| # include <features.h> |
| |
| __BEGIN_DECLS |
| |
| # define __need_size_t |
| # define __need_NULL |
| # include <stddef.h> |
| |
| # ifndef __USE_XOPEN |
| # define __need___va_list |
| # endif |
| # include <stdarg.h> |
| |
| # include <bits/types.h> |
| #endif /* Don't need FILE. */ |
| #undef __need_FILE |
| |
| |
| #ifndef __FILE_defined |
| |
| /* The opaque type of streams. */ |
| typedef struct _IO_FILE FILE; |
| |
| # define __FILE_defined 1 |
| #endif /* FILE not defined. */ |
| |
| |
| #ifdef _STDIO_H |
| #define _STDIO_USES_IOSTREAM |
| |
| #include <libio.h> |
| |
| #ifdef __cplusplus |
| # define __STDIO_INLINE inline |
| #else |
| # define __STDIO_INLINE extern __inline |
| #endif |
| |
| /* The type of the second argument to `fgetpos' and `fsetpos'. */ |
| #ifndef __USE_FILE_OFFSET64 |
| typedef _G_fpos_t fpos_t; |
| #else |
| typedef _G_fpos64_t fpos_t; |
| #endif |
| #ifdef __USE_LARGEFILE64 |
| typedef _G_fpos64_t fpos64_t; |
| #endif |
| |
| /* Generate a unique file name (and possibly open it). */ |
| extern int __path_search __P ((char *__tmpl, size_t __tmpl_len, |
| __const char *__dir, |
| __const char *__pfx)); |
| |
| extern int __gen_tempname __P ((char *__tmpl, int __openit, int __large_file)); |
| |
| /* Print out MESSAGE on the error output and abort. */ |
| extern void __libc_fatal __P ((__const char *__message)) |
| __attribute__ ((__noreturn__)); |
| |
| |
| /* The possibilities for the third argument to `setvbuf'. */ |
| #define _IOFBF 0 /* Fully buffered. */ |
| #define _IOLBF 1 /* Line buffered. */ |
| #define _IONBF 2 /* No buffering. */ |
| |
| |
| /* Default buffer size. */ |
| #ifndef BUFSIZ |
| # define BUFSIZ _IO_BUFSIZ |
| #endif |
| |
| |
| /* End of file character. |
| Some things throughout the library rely on this being -1. */ |
| #ifndef EOF |
| # define EOF (-1) |
| #endif |
| |
| |
| /* 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. */ |
| |
| |
| #if defined __USE_SVID || defined __USE_XOPEN |
| /* Default path prefix for `tempnam' and `tmpnam'. */ |
| # define P_tmpdir "/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> |
| |
| |
| /* Standard streams. */ |
| extern FILE *stdin; /* Standard input stream. */ |
| extern FILE *stdout; /* Standard output stream. */ |
| extern FILE *stderr; /* Standard error output stream. */ |
| |
| |
| /* 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. */ |
| #ifndef __USE_FILE_OFFSET64 |
| extern FILE *tmpfile __P ((void)); |
| #else |
| # ifdef __REDIRECT |
| extern FILE *__REDIRECT (tmpfile, __P ((void)), tmpfile64); |
| # else |
| # define tmpfile tmpfile64 |
| # endif |
| #endif |
| #ifdef __USE_LARGEFILE64 |
| extern FILE *tmpfile64 __P ((void)); |
| #endif |
| /* Generate a temporary filename. */ |
| extern char *tmpnam __P ((char *__s)); |
| |
| #ifdef __USE_MISC |
| /* This is the reentrant variant of `tmpnam'. The only difference is |
| that it does not allow S to be NULL. */ |
| extern char *tmpnam_r __P ((char *__s)); |
| #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 __P ((__const char *__dir, __const char *__pfx)); |
| #endif |
| |
| |
| /* Close STREAM. */ |
| extern int fclose __P ((FILE *__stream)); |
| /* Flush STREAM, or all streams if STREAM is NULL. */ |
| extern int fflush __P ((FILE *__stream)); |
| |
| #ifdef __USE_MISC |
| /* Faster versions when locking is not required. */ |
| extern int fflush_unlocked __P ((FILE *__stream)); |
| #endif |
| |
| #ifdef __USE_GNU |
| /* Close all streams. */ |
| extern int fcloseall __P ((void)); |
| #endif |
| |
| |
| #ifndef __USE_FILE_OFFSET64 |
| /* Open a file and create a new stream for it. */ |
| extern FILE *fopen __P ((__const char *__restrict __filename, |
| __const char *__restrict __modes)); |
| /* Open a file, replacing an existing stream with it. */ |
| extern FILE *freopen __P ((__const char *__restrict __filename, |
| __const char *__restrict __modes, |
| FILE *__restrict __stream)); |
| #else |
| # ifdef __REDIRECT |
| extern FILE *__REDIRECT (fopen, __P ((__const char *__restrict __filename, |
| __const char *__restrict __modes)), |
| fopen64); |
| extern FILE *__REDIRECT (freopen, __P ((__const char *__restrict __filename, |
| __const char *__restrict __modes, |
| FILE *__restrict __stream)), |
| freopen64); |
| # else |
| # define fopen fopen64 |
| # define freopen freopen64 |
| # endif |
| #endif |
| #ifdef __USE_LARGEFILE64 |
| extern FILE *fopen64 __P ((__const char *__restrict __filename, |
| __const char *__restrict __modes)); |
| extern FILE *freopen64 __P ((__const char *__restrict __filename, |
| __const char *__restrict __modes, |
| FILE *__restrict __stream)); |
| #endif |
| |
| #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 ((void *__magic_cookie, __const char *__modes, |
| _IO_cookie_io_functions_t __io_funcs)); |
| |
| /* 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 *__restrict __stream, char *__restrict __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 *__restrict __stream, char *__restrict __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 *__restrict __stream, |
| __const char *__restrict __format, ...)); |
| /* Write formatted output to stdout. */ |
| extern int printf __P ((__const char *__restrict __format, ...)); |
| /* Write formatted output to S. */ |
| extern int sprintf __P ((char *__restrict __s, |
| __const char *__restrict __format, ...)); |
| |
| /* Write formatted output to S from argument list ARG. */ |
| extern int vfprintf __P ((FILE *__restrict __s, |
| __const char *__restrict __format, |
| _G_va_list __arg)); |
| /* Write formatted output to stdout from argument list ARG. */ |
| extern int vprintf __P ((__const char *__restrict __format, |
| _G_va_list __arg)); |
| /* Write formatted output to S from argument list ARG. */ |
| extern int vsprintf __P ((char *__restrict __s, |
| __const char *__restrict __format, |
| _G_va_list __arg)); |
| |
| #if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ |
| __STDIO_INLINE int |
| vprintf (__const char *__restrict __fmt, _G_va_list __arg) |
| { |
| return vfprintf (stdout, __fmt, __arg); |
| } |
| #endif /* Optimizing. */ |
| |
| #if defined __USE_BSD || defined __USE_ISOC9X || defined __USE_UNIX98 |
| /* Maximum chars of output to write in MAXLEN. */ |
| extern int snprintf __P ((char *__restrict __s, size_t __maxlen, |
| __const char *__restrict __format, ...)) |
| __attribute__ ((__format__ (__printf__, 3, 4))); |
| |
| extern int __vsnprintf __P ((char *__restrict __s, size_t __maxlen, |
| __const char *__restrict __format, |
| _G_va_list __arg)) |
| __attribute__ ((__format__ (__printf__, 3, 0))); |
| extern int vsnprintf __P ((char *__restrict __s, size_t __maxlen, |
| __const char *__restrict __format, |
| _G_va_list __arg)) |
| __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 __P ((char **__restrict __ptr, |
| __const char *__restrict __f, _G_va_list __arg)) |
| __attribute__ ((__format__ (__printf__, 2, 0))); |
| extern int __asprintf __P ((char **__restrict __ptr, |
| __const char *__restrict __fmt, ...)) |
| __attribute__ ((__format__ (__printf__, 2, 3))); |
| extern int asprintf __P ((char **__restrict __ptr, |
| __const char *__restrict __fmt, ...)) |
| __attribute__ ((__format__ (__printf__, 2, 3))); |
| |
| /* Write formatted output to a file descriptor. */ |
| extern int vdprintf __P ((int __fd, __const char *__restrict __fmt, |
| _G_va_list __arg)) |
| __attribute__ ((__format__ (__printf__, 2, 0))); |
| extern int dprintf __P ((int __fd, __const char *__restrict __fmt, ...)) |
| __attribute__ ((__format__ (__printf__, 2, 3))); |
| #endif |
| |
| |
| /* Read formatted input from STREAM. */ |
| extern int fscanf __P ((FILE *__restrict __stream, |
| __const char *__restrict __format, ...)); |
| /* Read formatted input from stdin. */ |
| extern int scanf __P ((__const char *__restrict __format, ...)); |
| /* Read formatted input from S. */ |
| extern int sscanf __P ((__const char *__restrict __s, |
| __const char *__restrict __format, ...)); |
| |
| #ifdef __USE_GNU |
| /* Read formatted input from S into argument list ARG. */ |
| extern int vfscanf __P ((FILE *__restrict __s, |
| __const char *__restrict __format, |
| _G_va_list __arg)) |
| __attribute__ ((__format__ (__scanf__, 2, 0))); |
| |
| /* Read formatted input from stdin into argument list ARG. */ |
| extern int vscanf __P ((__const char *__restrict __format, _G_va_list __arg)) |
| __attribute__ ((__format__ (__scanf__, 1, 0))); |
| |
| /* Read formatted input from S into argument list ARG. */ |
| extern int __vsscanf __P ((__const char *__restrict __s, |
| __const char *__restrict __format, |
| _G_va_list __arg)) |
| __attribute__ ((__format__ (__scanf__, 2, 0))); |
| extern int vsscanf __P ((__const char *__restrict __s, |
| __const char *__restrict __format, |
| _G_va_list __arg)) |
| __attribute__ ((__format__ (__scanf__, 2, 0))); |
| #endif /* Use GNU. */ |
| |
| |
| /* 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 is a macro, so we always do the |
| optimization for it. */ |
| #define getc(_fp) _IO_getc (_fp) |
| |
| #if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ |
| __STDIO_INLINE int |
| getchar (void) |
| { |
| return _IO_getc (stdin); |
| } |
| #endif /* Optimizing. */ |
| |
| #if defined __USE_POSIX || defined __USE_MISC |
| /* These are defined in POSIX.1:1996. */ |
| extern int getc_unlocked __P ((FILE *__stream)); |
| extern int getchar_unlocked __P ((void)); |
| |
| # ifdef __OPTIMIZE__ |
| __STDIO_INLINE int |
| getc_unlocked (FILE *__fp) |
| { |
| return _IO_getc_unlocked (__fp); |
| } |
| |
| __STDIO_INLINE int |
| getchar_unlocked (void) |
| { |
| return _IO_getc_unlocked (stdin); |
| } |
| # endif /* Optimizing. */ |
| #endif /* Use POSIX or MISC. */ |
| |
| |
| /* 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 be a macro, |
| so we always do the optimization for it. */ |
| #define putc(_ch, _fp) _IO_putc (_ch, _fp) |
| |
| #if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ |
| __STDIO_INLINE int |
| putchar (int __c) |
| { |
| return _IO_putc (__c, stdout); |
| } |
| #endif |
| |
| #ifdef __USE_MISC |
| /* Faster version when locking is not necessary. */ |
| extern int fputc_unlocked __P ((int __c, FILE *__stream)); |
| |
| # ifdef __OPTIMIZE__ |
| __STDIO_INLINE int |
| fputc_unlocked (int __c, FILE *__stream) |
| { |
| return _IO_putc_unlocked (__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 __P ((int __c, FILE *__stream)); |
| extern int putchar_unlocked __P ((int __c)); |
| |
| # ifdef __OPTIMIZE__ |
| __STDIO_INLINE int |
| putc_unlocked (int __c, FILE *__stream) |
| { |
| return _IO_putc_unlocked (__c, __stream); |
| } |
| |
| __STDIO_INLINE int |
| putchar_unlocked (int __c) |
| { |
| return _IO_putc_unlocked (__c, stdout); |
| } |
| # endif /* Optimizing. */ |
| #endif /* Use POSIX or MISC. */ |
| |
| |
| #if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN |
| /* 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 *__restrict __s, int __n, |
| FILE *__restrict __stream)); |
| |
| #ifdef __USE_GNU |
| /* This function does the same as `fgets' but does not lock the stream. */ |
| extern char *fgets_unlocked __P ((char *__restrict __s, int __n, |
| FILE *__restrict __stream)); |
| #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 __P ((char *__s)); |
| |
| |
| #ifdef __USE_GNU |
| /* 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. */ |
| extern _IO_ssize_t __getdelim __P ((char **__lineptr, size_t *__n, |
| int __delimiter, FILE *__stream)); |
| extern _IO_ssize_t getdelim __P ((char **__lineptr, size_t *__n, |
| int __delimiter, FILE *__stream)); |
| |
| /* Like `getdelim', but reads up to a newline. */ |
| extern _IO_ssize_t getline __P ((char **__lineptr, size_t *__n, |
| FILE *__stream)); |
| |
| # if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ |
| __STDIO_INLINE _IO_ssize_t |
| getline (char **__lineptr, size_t *__n, FILE *__stream) |
| { |
| return __getdelim (__lineptr, __n, '\n', __stream); |
| } |
| # endif /* Optimizing. */ |
| #endif |
| |
| |
| /* Write a string to STREAM. */ |
| extern int fputs __P ((__const char *__restrict __s, |
| FILE *__restrict __stream)); |
| |
| #ifdef __USE_GNU |
| /* This function does the same as `fputs' but does not lock the stream. */ |
| extern int fputs_unlocked __P ((__const char *__restrict __s, |
| FILE *__restrict __stream)); |
| #endif |
| |
| /* 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 ((void *__restrict __ptr, size_t __size, |
| size_t __n, FILE *__restrict __stream)); |
| /* Write chunks of generic data to STREAM. */ |
| extern size_t fwrite __P ((__const void *__restrict __ptr, size_t __size, |
| size_t __n, FILE *__restrict __s)); |
| |
| #ifdef __USE_MISC |
| /* Faster versions when locking is not necessary. */ |
| extern size_t fread_unlocked __P ((void *__restrict __ptr, size_t __size, |
| size_t __n, FILE *__restrict __stream)); |
| extern size_t fwrite_unlocked __P ((__const void *__restrict __ptr, |
| size_t __size, size_t __n, |
| FILE *__restrict __stream)); |
| #endif |
| |
| |
| /* 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)); |
| |
| #if (defined __USE_LARGEFILE || defined __USE_LARGEFILE64 \ |
| || defined __USE_FILE_OFFSET64) |
| /* The Single Unix Specification, Version 2, specifies an alternative, |
| more adequate interface for the two functions above which deal with |
| file offset. `long int' is not the right type. These definitions |
| are originally defined in the Large File Support API. */ |
| |
| /* Types needed in these functions. */ |
| # ifndef off_t |
| # ifndef __USE_FILE_OFFSET64 |
| typedef __off_t off_t; |
| # else |
| typedef __off64_t off_t; |
| # endif |
| # define off_t off_t |
| # endif |
| |
| # if defined __USE_LARGEFILE64 && !defined off64_t |
| typedef __off64_t off64_t; |
| # define off64_t off64_t |
| # endif |
| |
| |
| # ifndef __USE_FILE_OFFSET64 |
| /* Seek to a certain position on STREAM. */ |
| extern int fseeko __P ((FILE *__stream, __off_t __off, int __whence)); |
| /* Return the current position of STREAM. */ |
| extern __off_t ftello __P ((FILE *__stream)); |
| /* Get STREAM's position. */ |
| extern int fgetpos __P ((FILE *__restrict __stream, |
| fpos_t *__restrict __pos)); |
| /* Set STREAM's position. */ |
| extern int fsetpos __P ((FILE *__stream, __const fpos_t *__pos)); |
| # else |
| # ifdef __REDIRECT |
| extern int __REDIRECT (fseeko, |
| __P ((FILE *__stream, __off64_t __off, int __whence)), |
| fseeko64); |
| extern __off64_t __REDIRECT (ftello, __P ((FILE *__stream)), ftello64); |
| extern int __REDIRECT (fgetpos, __P ((FILE *__restrict __stream, |
| fpos_t *__restrict __pos)), fgetpos64); |
| extern int __REDIRECT (fsetpos, __P ((FILE *__stream, __const fpos_t *__pos)), |
| fsetpos64); |
| # else |
| # define fseeko fseeko64 |
| # define ftello ftello64 |
| # define fgetpos fgetpos64 |
| # define fsetpos fsetpos64 |
| # endif |
| # endif |
| |
| # ifdef __USE_LARGEFILE64 |
| extern int fseeko64 __P ((FILE *__stream, __off64_t __off, int __whence)); |
| extern __off64_t ftello64 __P ((FILE *__stream)); |
| extern int fgetpos64 __P ((FILE *__restrict __stream, |
| fpos64_t *__restrict __pos)); |
| extern int fsetpos64 __P ((FILE *__stream, __const fpos64_t *__pos)); |
| # endif |
| #endif |
| |
| /* 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 __USE_MISC |
| /* Faster versions when locking is not required. */ |
| extern void clearerr_unlocked __P ((FILE *__stream)); |
| extern int feof_unlocked __P ((FILE *__stream)); |
| extern int ferror_unlocked __P ((FILE *__stream)); |
| |
| # ifdef __OPTIMIZE__ |
| __STDIO_INLINE int |
| feof_unlocked (FILE *__stream) |
| { |
| return _IO_feof_unlocked (__stream); |
| } |
| |
| __STDIO_INLINE int |
| ferror_unlocked (FILE *__stream) |
| { |
| return _IO_ferror_unlocked (__stream); |
| } |
| # endif /* Optimizing. */ |
| #endif |
| |
| |
| /* Print a message describing the meaning of the value of errno. */ |
| extern void perror __P ((__const char *__s)); |
| |
| /* These variables normally should not be used directly. The `strerror' |
| function provides all the needed functionality. */ |
| #ifdef __USE_BSD |
| extern int sys_nerr; |
| extern __const char *__const sys_errlist[]; |
| #endif |
| #ifdef __USE_GNU |
| extern int _sys_nerr; |
| extern __const char *__const _sys_errlist[]; |
| #endif |
| |
| |
| #ifdef __USE_POSIX |
| /* Return the system file descriptor for STREAM. */ |
| extern int fileno __P ((FILE *__stream)); |
| #endif /* Use POSIX. */ |
| |
| #ifdef __USE_MISC |
| /* Faster version when locking is not required. */ |
| extern int fileno_unlocked __P ((FILE *__stream)); |
| #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 __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)); |
| #endif /* Use POSIX. */ |
| |
| |
| #ifdef __USE_XOPEN |
| /* Return the name of the current user. */ |
| extern char *cuserid __P ((char *__s)); |
| #endif /* Use X/Open. */ |
| |
| |
| #ifdef __USE_GNU |
| struct obstack; /* See <obstack.h>. */ |
| |
| /* 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, |
| _G_va_list __args)); |
| #endif /* Use GNU. */ |
| |
| |
| #if defined __USE_POSIX || defined __USE_MISC |
| /* These are defined in POSIX.1:1996. */ |
| |
| /* Acquire ownership of STREAM. */ |
| extern void flockfile __P ((FILE *__stream)); |
| |
| /* Try to acquire ownership of STREAM but do not block if it is not |
| possible. */ |
| extern int ftrylockfile __P ((FILE *__stream)); |
| |
| /* Relinquish the ownership granted for STREAM. */ |
| extern void funlockfile __P ((FILE *__stream)); |
| #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. */ |
| |
| /* For more information on these symbols look in <getopt.h>. */ |
| extern char *optarg; |
| extern int optind; |
| extern int opterr; |
| extern int optopt; |
| |
| extern int getopt __P ((int __argc, char *__const *__argv, |
| __const char *__shortopts)); |
| #endif |
| |
| __END_DECLS |
| |
| /* Define helper macro. */ |
| #undef __STDIO_INLINE |
| |
| #endif /* <stdio.h> included. */ |
| |
| #endif /* !_STDIO_H */ |