1 /* Copyright (C) 1991-1995,1997-2006,2007,2009,2011 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 Written by Per Bothner <bothner (at) cygnus.com>. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, write to the Free 17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 18 02111-1307 USA. 19 20 As a special exception, if you link the code in this file with 21 files compiled with a GNU compiler to produce an executable, 22 that does not cause the resulting executable to be covered by 23 the GNU Lesser General Public License. This exception does not 24 however invalidate any other reasons why the executable file 25 might be covered by the GNU Lesser General Public License. 26 This exception applies to code released by its copyright holders 27 in files containing the exception. */ 28 29 #ifndef _IO_STDIO_H 30 #define _IO_STDIO_H 31 32 #include <_G_config.h> 33 /* ALL of these should be defined in _G_config.h */ 34 #define _IO_pos_t _G_fpos_t /* obsolete */ 35 #define _IO_fpos_t _G_fpos_t 36 #define _IO_fpos64_t _G_fpos64_t 37 #define _IO_size_t _G_size_t 38 #define _IO_ssize_t _G_ssize_t 39 #define _IO_off_t _G_off_t 40 #define _IO_off64_t _G_off64_t 41 #define _IO_pid_t _G_pid_t 42 #define _IO_uid_t _G_uid_t 43 #define _IO_iconv_t _G_iconv_t 44 #define _IO_HAVE_SYS_WAIT _G_HAVE_SYS_WAIT 45 #define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE 46 #define _IO_BUFSIZ _G_BUFSIZ 47 #define _IO_va_list _G_va_list 48 #define _IO_wint_t _G_wint_t 49 50 #ifdef _G_NEED_STDARG_H 51 /* This define avoids name pollution if we're using GNU stdarg.h */ 52 # define __need___va_list 53 # include <stdarg.h> 54 # ifdef __GNUC_VA_LIST 55 # undef _IO_va_list 56 # define _IO_va_list __gnuc_va_list 57 # endif /* __GNUC_VA_LIST */ 58 #endif 59 60 #ifndef __P 61 # if _G_HAVE_SYS_CDEFS 62 # include <sys/cdefs.h> 63 # else 64 # ifdef __STDC__ 65 # define __P(p) p 66 # define __PMT(p) p 67 # else 68 # define __P(p) () 69 # define __PMT(p) () 70 # endif 71 # endif 72 #endif /*!__P*/ 73 74 /* For backward compatibility */ 75 #ifndef _PARAMS 76 # define _PARAMS(protos) __P(protos) 77 #endif /*!_PARAMS*/ 78 79 #ifndef __STDC__ 80 # ifndef const 81 # define const 82 # endif 83 #endif 84 #define _IO_UNIFIED_JUMPTABLES 1 85 #ifndef _G_HAVE_PRINTF_FP 86 # define _IO_USE_DTOA 1 87 #endif 88 89 #ifndef EOF 90 # define EOF (-1) 91 #endif 92 #ifndef NULL 93 # if defined __GNUG__ && \ 94 (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) 95 # define NULL (__null) 96 # else 97 # if !defined(__cplusplus) 98 # define NULL ((void*)0) 99 # else 100 # define NULL (0) 101 # endif 102 # endif 103 #endif 104 105 #define _IOS_INPUT 1 106 #define _IOS_OUTPUT 2 107 #define _IOS_ATEND 4 108 #define _IOS_APPEND 8 109 #define _IOS_TRUNC 16 110 #define _IOS_NOCREATE 32 111 #define _IOS_NOREPLACE 64 112 #define _IOS_BIN 128 113 114 /* Magic numbers and bits for the _flags field. 115 The magic numbers use the high-order bits of _flags; 116 the remaining bits are available for variable flags. 117 Note: The magic numbers must all be negative if stdio 118 emulation is desired. */ 119 120 #define _IO_MAGIC 0xFBAD0000 /* Magic number */ 121 #define _OLD_STDIO_MAGIC 0xFABC0000 /* Emulate old stdio. */ 122 #define _IO_MAGIC_MASK 0xFFFF0000 123 #define _IO_USER_BUF 1 /* User owns buffer; don't delete it on close. */ 124 #define _IO_UNBUFFERED 2 125 #define _IO_NO_READS 4 /* Reading not allowed */ 126 #define _IO_NO_WRITES 8 /* Writing not allowd */ 127 #define _IO_EOF_SEEN 0x10 128 #define _IO_ERR_SEEN 0x20 129 #define _IO_DELETE_DONT_CLOSE 0x40 /* Don't call close(_fileno) on cleanup. */ 130 #define _IO_LINKED 0x80 /* Set if linked (using _chain) to streambuf::_list_all.*/ 131 #define _IO_IN_BACKUP 0x100 132 #define _IO_LINE_BUF 0x200 133 #define _IO_TIED_PUT_GET 0x400 /* Set if put and get pointer logicly tied. */ 134 #define _IO_CURRENTLY_PUTTING 0x800 135 #define _IO_IS_APPENDING 0x1000 136 #define _IO_IS_FILEBUF 0x2000 137 #define _IO_BAD_SEEN 0x4000 138 #define _IO_USER_LOCK 0x8000 139 140 #define _IO_FLAGS2_MMAP 1 141 #define _IO_FLAGS2_NOTCANCEL 2 142 #ifdef _LIBC 143 # define _IO_FLAGS2_FORTIFY 4 144 #endif 145 #define _IO_FLAGS2_USER_WBUF 8 146 #ifdef _LIBC 147 # define _IO_FLAGS2_SCANF_STD 16 148 # define _IO_FLAGS2_NOCLOSE 32 149 # define _IO_FLAGS2_CLOEXEC 64 150 #endif 151 152 /* These are "formatting flags" matching the iostream fmtflags enum values. */ 153 #define _IO_SKIPWS 01 154 #define _IO_LEFT 02 155 #define _IO_RIGHT 04 156 #define _IO_INTERNAL 010 157 #define _IO_DEC 020 158 #define _IO_OCT 040 159 #define _IO_HEX 0100 160 #define _IO_SHOWBASE 0200 161 #define _IO_SHOWPOINT 0400 162 #define _IO_UPPERCASE 01000 163 #define _IO_SHOWPOS 02000 164 #define _IO_SCIENTIFIC 04000 165 #define _IO_FIXED 010000 166 #define _IO_UNITBUF 020000 167 #define _IO_STDIO 040000 168 #define _IO_DONT_CLOSE 0100000 169 #define _IO_BOOLALPHA 0200000 170 171 172 struct _IO_jump_t; struct _IO_FILE; 173 174 /* Handle lock. */ 175 #ifdef _IO_MTSAFE_IO 176 # if defined __GLIBC__ && __GLIBC__ >= 2 177 # include <bits/stdio-lock.h> 178 # else 179 /*# include <comthread.h>*/ 180 # endif 181 #else 182 typedef void _IO_lock_t; 183 #endif 184 185 186 /* A streammarker remembers a position in a buffer. */ 187 188 struct _IO_marker { 189 struct _IO_marker *_next; 190 struct _IO_FILE *_sbuf; 191 /* If _pos >= 0 192 it points to _buf->Gbase()+_pos. FIXME comment */ 193 /* if _pos < 0, it points to _buf->eBptr()+_pos. FIXME comment */ 194 int _pos; 195 #if 0 196 void set_streampos(streampos sp) { _spos = sp; } 197 void set_offset(int offset) { _pos = offset; _spos = (streampos)(-2); } 198 public: 199 streammarker(streambuf *sb); 200 ~streammarker(); 201 int saving() { return _spos == -2; } 202 int delta(streammarker&); 203 int delta(); 204 #endif 205 }; 206 207 /* This is the structure from the libstdc++ codecvt class. */ 208 enum __codecvt_result 209 { 210 __codecvt_ok, 211 __codecvt_partial, 212 __codecvt_error, 213 __codecvt_noconv 214 }; 215 216 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T 217 /* The order of the elements in the following struct must match the order 218 of the virtual functions in the libstdc++ codecvt class. */ 219 struct _IO_codecvt 220 { 221 void (*__codecvt_destr) (struct _IO_codecvt *); 222 enum __codecvt_result (*__codecvt_do_out) (struct _IO_codecvt *, 223 __mbstate_t *, 224 const wchar_t *, 225 const wchar_t *, 226 const wchar_t **, char *, 227 char *, char **); 228 enum __codecvt_result (*__codecvt_do_unshift) (struct _IO_codecvt *, 229 __mbstate_t *, char *, 230 char *, char **); 231 enum __codecvt_result (*__codecvt_do_in) (struct _IO_codecvt *, 232 __mbstate_t *, 233 const char *, const char *, 234 const char **, wchar_t *, 235 wchar_t *, wchar_t **); 236 int (*__codecvt_do_encoding) (struct _IO_codecvt *); 237 int (*__codecvt_do_always_noconv) (struct _IO_codecvt *); 238 int (*__codecvt_do_length) (struct _IO_codecvt *, __mbstate_t *, 239 const char *, const char *, _IO_size_t); 240 int (*__codecvt_do_max_length) (struct _IO_codecvt *); 241 242 _IO_iconv_t __cd_in; 243 _IO_iconv_t __cd_out; 244 }; 245 246 /* Extra data for wide character streams. */ 247 struct _IO_wide_data 248 { 249 wchar_t *_IO_read_ptr; /* Current read pointer */ 250 wchar_t *_IO_read_end; /* End of get area. */ 251 wchar_t *_IO_read_base; /* Start of putback+get area. */ 252 wchar_t *_IO_write_base; /* Start of put area. */ 253 wchar_t *_IO_write_ptr; /* Current put pointer. */ 254 wchar_t *_IO_write_end; /* End of put area. */ 255 wchar_t *_IO_buf_base; /* Start of reserve area. */ 256 wchar_t *_IO_buf_end; /* End of reserve area. */ 257 /* The following fields are used to support backing up and undo. */ 258 wchar_t *_IO_save_base; /* Pointer to start of non-current get area. */ 259 wchar_t *_IO_backup_base; /* Pointer to first valid character of 260 backup area */ 261 wchar_t *_IO_save_end; /* Pointer to end of non-current get area. */ 262 263 __mbstate_t _IO_state; 264 __mbstate_t _IO_last_state; 265 struct _IO_codecvt _codecvt; 266 267 wchar_t _shortbuf[1]; 268 269 const struct _IO_jump_t *_wide_vtable; 270 }; 271 #endif 272 273 struct _IO_FILE { 274 int _flags; /* High-order word is _IO_MAGIC; rest is flags. */ 275 #define _IO_file_flags _flags 276 277 /* The following pointers correspond to the C++ streambuf protocol. */ 278 /* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */ 279 char* _IO_read_ptr; /* Current read pointer */ 280 char* _IO_read_end; /* End of get area. */ 281 char* _IO_read_base; /* Start of putback+get area. */ 282 char* _IO_write_base; /* Start of put area. */ 283 char* _IO_write_ptr; /* Current put pointer. */ 284 char* _IO_write_end; /* End of put area. */ 285 char* _IO_buf_base; /* Start of reserve area. */ 286 char* _IO_buf_end; /* End of reserve area. */ 287 /* The following fields are used to support backing up and undo. */ 288 char *_IO_save_base; /* Pointer to start of non-current get area. */ 289 char *_IO_backup_base; /* Pointer to first valid character of backup area */ 290 char *_IO_save_end; /* Pointer to end of non-current get area. */ 291 292 struct _IO_marker *_markers; 293 294 struct _IO_FILE *_chain; 295 296 int _fileno; 297 #if 0 298 int _blksize; 299 #else 300 int _flags2; 301 #endif 302 _IO_off_t _old_offset; /* This used to be _offset but it's too small. */ 303 304 #define __HAVE_COLUMN /* temporary */ 305 /* 1+column number of pbase(); 0 is unknown. */ 306 unsigned short _cur_column; 307 signed char _vtable_offset; 308 char _shortbuf[1]; 309 310 /* char* _save_gptr; char* _save_egptr; */ 311 312 _IO_lock_t *_lock; 313 #ifdef _IO_USE_OLD_IO_FILE 314 }; 315 316 struct _IO_FILE_complete 317 { 318 struct _IO_FILE _file; 319 #endif 320 #if defined _G_IO_IO_FILE_VERSION && _G_IO_IO_FILE_VERSION == 0x20001 321 _IO_off64_t _offset; 322 # if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T 323 /* Wide character stream stuff. */ 324 struct _IO_codecvt *_codecvt; 325 struct _IO_wide_data *_wide_data; 326 struct _IO_FILE *_freeres_list; 327 void *_freeres_buf; 328 size_t _freeres_size; 329 # else 330 void *__pad1; 331 void *__pad2; 332 void *__pad3; 333 void *__pad4; 334 size_t __pad5; 335 # endif 336 int _mode; 337 /* Make sure we don't get into trouble again. */ 338 char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)]; 339 #endif 340 }; 341 342 #ifndef __cplusplus 343 typedef struct _IO_FILE _IO_FILE; 344 #endif 345 346 struct _IO_FILE_plus; 347 348 extern struct _IO_FILE_plus _IO_2_1_stdin_; 349 extern struct _IO_FILE_plus _IO_2_1_stdout_; 350 extern struct _IO_FILE_plus _IO_2_1_stderr_; 351 #ifndef _LIBC 352 #define _IO_stdin ((_IO_FILE*)(&_IO_2_1_stdin_)) 353 #define _IO_stdout ((_IO_FILE*)(&_IO_2_1_stdout_)) 354 #define _IO_stderr ((_IO_FILE*)(&_IO_2_1_stderr_)) 355 #else 356 extern _IO_FILE *_IO_stdin attribute_hidden; 357 extern _IO_FILE *_IO_stdout attribute_hidden; 358 extern _IO_FILE *_IO_stderr attribute_hidden; 359 #endif 360 361 362 /* Functions to do I/O and file management for a stream. */ 363 364 /* Read NBYTES bytes from COOKIE into a buffer pointed to by BUF. 365 Return number of bytes read. */ 366 typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes); 367 368 /* Write N bytes pointed to by BUF to COOKIE. Write all N bytes 369 unless there is an error. Return number of bytes written, or -1 if 370 there is an error without writing anything. If the file has been 371 opened for append (__mode.__append set), then set the file pointer 372 to the end of the file and then do the write; if not, just write at 373 the current file pointer. */ 374 typedef __ssize_t __io_write_fn (void *__cookie, __const char *__buf, 375 size_t __n); 376 377 /* Move COOKIE's file position to *POS bytes from the 378 beginning of the file (if W is SEEK_SET), 379 the current position (if W is SEEK_CUR), 380 or the end of the file (if W is SEEK_END). 381 Set *POS to the new file position. 382 Returns zero if successful, nonzero if not. */ 383 typedef int __io_seek_fn (void *__cookie, _IO_off64_t *__pos, int __w); 384 385 /* Close COOKIE. */ 386 typedef int __io_close_fn (void *__cookie); 387 388 389 #ifdef _GNU_SOURCE 390 /* User-visible names for the above. */ 391 typedef __io_read_fn cookie_read_function_t; 392 typedef __io_write_fn cookie_write_function_t; 393 typedef __io_seek_fn cookie_seek_function_t; 394 typedef __io_close_fn cookie_close_function_t; 395 396 /* The structure with the cookie function pointers. */ 397 typedef struct 398 { 399 __io_read_fn *read; /* Read bytes. */ 400 __io_write_fn *write; /* Write bytes. */ 401 __io_seek_fn *seek; /* Seek/tell file position. */ 402 __io_close_fn *close; /* Close file. */ 403 } _IO_cookie_io_functions_t; 404 typedef _IO_cookie_io_functions_t cookie_io_functions_t; 405 406 struct _IO_cookie_file; 407 408 /* Initialize one of those. */ 409 extern void _IO_cookie_init (struct _IO_cookie_file *__cfile, int __read_write, 410 void *__cookie, _IO_cookie_io_functions_t __fns); 411 #endif 412 413 414 #ifdef __cplusplus 415 extern "C" { 416 #endif 417 418 extern int __underflow (_IO_FILE *); 419 extern int __uflow (_IO_FILE *); 420 extern int __overflow (_IO_FILE *, int); 421 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T 422 extern _IO_wint_t __wunderflow (_IO_FILE *); 423 extern _IO_wint_t __wuflow (_IO_FILE *); 424 extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); 425 #endif 426 427 #if __GNUC__ >= 3 428 # define _IO_BE(expr, res) __builtin_expect ((expr), res) 429 #else 430 # define _IO_BE(expr, res) (expr) 431 #endif 432 433 #define _IO_getc_unlocked(_fp) \ 434 (_IO_BE ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end, 0) \ 435 ? __uflow (_fp) : *(unsigned char *) (_fp)->_IO_read_ptr++) 436 #define _IO_peekc_unlocked(_fp) \ 437 (_IO_BE ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end, 0) \ 438 && __underflow (_fp) == EOF ? EOF \ 439 : *(unsigned char *) (_fp)->_IO_read_ptr) 440 #define _IO_putc_unlocked(_ch, _fp) \ 441 (_IO_BE ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end, 0) \ 442 ? __overflow (_fp, (unsigned char) (_ch)) \ 443 : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch))) 444 445 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T 446 # define _IO_getwc_unlocked(_fp) \ 447 (_IO_BE ((_fp)->_wide_data == NULL \ 448 || ((_fp)->_wide_data->_IO_read_ptr \ 449 >= (_fp)->_wide_data->_IO_read_end), 0) \ 450 ? __wuflow (_fp) : (_IO_wint_t) *(_fp)->_wide_data->_IO_read_ptr++) 451 # define _IO_putwc_unlocked(_wch, _fp) \ 452 (_IO_BE ((_fp)->_wide_data == NULL \ 453 || ((_fp)->_wide_data->_IO_write_ptr \ 454 >= (_fp)->_wide_data->_IO_write_end), 0) \ 455 ? __woverflow (_fp, _wch) \ 456 : (_IO_wint_t) (*(_fp)->_wide_data->_IO_write_ptr++ = (_wch))) 457 #endif 458 459 #define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0) 460 #define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0) 461 462 extern int _IO_getc (_IO_FILE *__fp); 463 extern int _IO_putc (int __c, _IO_FILE *__fp); 464 extern int _IO_feof (_IO_FILE *__fp) __THROW; 465 extern int _IO_ferror (_IO_FILE *__fp) __THROW; 466 467 extern int _IO_peekc_locked (_IO_FILE *__fp); 468 469 /* This one is for Emacs. */ 470 #define _IO_PENDING_OUTPUT_COUNT(_fp) \ 471 ((_fp)->_IO_write_ptr - (_fp)->_IO_write_base) 472 473 extern void _IO_flockfile (_IO_FILE *) __THROW; 474 extern void _IO_funlockfile (_IO_FILE *) __THROW; 475 extern int _IO_ftrylockfile (_IO_FILE *) __THROW; 476 477 #ifdef _IO_MTSAFE_IO 478 # define _IO_peekc(_fp) _IO_peekc_locked (_fp) 479 # define _IO_flockfile(_fp) \ 480 if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_flockfile (_fp) 481 # define _IO_funlockfile(_fp) \ 482 if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_funlockfile (_fp) 483 #else 484 # define _IO_peekc(_fp) _IO_peekc_unlocked (_fp) 485 # define _IO_flockfile(_fp) /**/ 486 # define _IO_funlockfile(_fp) /**/ 487 # define _IO_ftrylockfile(_fp) /**/ 488 # define _IO_cleanup_region_start(_fct, _fp) /**/ 489 # define _IO_cleanup_region_end(_Doit) /**/ 490 #endif /* !_IO_MTSAFE_IO */ 491 492 extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict, 493 _IO_va_list, int *__restrict); 494 extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict, 495 _IO_va_list); 496 extern _IO_ssize_t _IO_padn (_IO_FILE *, int, _IO_ssize_t); 497 extern _IO_size_t _IO_sgetn (_IO_FILE *, void *, _IO_size_t); 498 499 extern _IO_off64_t _IO_seekoff (_IO_FILE *, _IO_off64_t, int, int); 500 extern _IO_off64_t _IO_seekpos (_IO_FILE *, _IO_off64_t, int); 501 502 extern void _IO_free_backup_area (_IO_FILE *) __THROW; 503 504 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T 505 extern _IO_wint_t _IO_getwc (_IO_FILE *__fp); 506 extern _IO_wint_t _IO_putwc (wchar_t __wc, _IO_FILE *__fp); 507 extern int _IO_fwide (_IO_FILE *__fp, int __mode) __THROW; 508 # if __GNUC__ >= 2 509 /* While compiling glibc we have to handle compatibility with very old 510 versions. */ 511 # if defined _LIBC && defined SHARED 512 # include <shlib-compat.h> 513 # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) 514 # define _IO_fwide_maybe_incompatible \ 515 (__builtin_expect (&_IO_stdin_used == NULL, 0)) 516 extern const int _IO_stdin_used; 517 weak_extern (_IO_stdin_used); 518 # endif 519 # endif 520 # ifndef _IO_fwide_maybe_incompatible 521 # define _IO_fwide_maybe_incompatible (0) 522 # endif 523 /* A special optimized version of the function above. It optimizes the 524 case of initializing an unoriented byte stream. */ 525 # define _IO_fwide(__fp, __mode) \ 526 ({ int __result = (__mode); \ 527 if (__result < 0 && ! _IO_fwide_maybe_incompatible) \ 528 { \ 529 if ((__fp)->_mode == 0) \ 530 /* We know that all we have to do is to set the flag. */ \ 531 (__fp)->_mode = -1; \ 532 __result = (__fp)->_mode; \ 533 } \ 534 else if (__builtin_constant_p (__mode) && (__mode) == 0) \ 535 __result = _IO_fwide_maybe_incompatible ? -1 : (__fp)->_mode; \ 536 else \ 537 __result = _IO_fwide (__fp, __result); \ 538 __result; }) 539 # endif 540 541 extern int _IO_vfwscanf (_IO_FILE * __restrict, const wchar_t * __restrict, 542 _IO_va_list, int *__restrict); 543 extern int _IO_vfwprintf (_IO_FILE *__restrict, const wchar_t *__restrict, 544 _IO_va_list); 545 extern _IO_ssize_t _IO_wpadn (_IO_FILE *, wint_t, _IO_ssize_t); 546 extern void _IO_free_wbackup_area (_IO_FILE *) __THROW; 547 #endif 548 549 #ifdef __LDBL_COMPAT 550 # include <bits/libio-ldbl.h> 551 #endif 552 553 #ifdef __cplusplus 554 } 555 #endif 556 557 #endif /* _IO_STDIO_H */ 558
