src/externs.h

   1 /* externs.h -- extern function declarations which do not appear in their
   2    own header file. */
   3
   4 /* Copyright (C) 1993-2020 Free Software Foundation, Inc.
   5
   6    This file is part of GNU Bush, the Bourne Again SHell.
   7
   8    Bush is free software: you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation, either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    Bush is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with Bush.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 /* Make sure that this is included *after* config.h! */
  23
  24 #if !defined (_EXTERNS_H_)
  25 #  define _EXTERNS_H_
  26
  27 #include "stdc.h"
  28
  29 /* Functions from expr.c. */
  30 #define EXP_EXPANDED    0x01
  31
  32 extern intmax_t evalexp PARAMS((char *, int, int *));
  33
  34 /* Functions from print_cmd.c. */
  35 #define FUNC_MULTILINE  0x01
  36 #define FUNC_EXTERNAL   0x02
  37
  38 extern char *make_command_string PARAMS((COMMAND *));
  39 extern char *named_function_string PARAMS((char *, COMMAND *, int));
  40
  41 extern void print_command PARAMS((COMMAND *));
  42 extern void print_simple_command PARAMS((SIMPLE_COM *));
  43 extern void print_word_list PARAMS((WORD_LIST *, char *));
  44
  45 /* debugger support */
  46 extern void print_for_command_head PARAMS((FOR_COM *));
  47 #if defined (SELECT_COMMAND)
  48 extern void print_select_command_head PARAMS((SELECT_COM *));
  49 #endif
  50 extern void print_case_command_head PARAMS((CASE_COM *));
  51 #if defined (DPAREN_ARITHMETIC)
  52 extern void print_arith_command PARAMS((WORD_LIST *));
  53 #endif
  54 #if defined (COND_COMMAND)
  55 extern void print_cond_command PARAMS((COND_COM *));
  56 #endif
  57
  58 /* set -x support */
  59 extern void xtrace_init PARAMS((void));
  60 #ifdef NEED_XTRACE_SET_DECL
  61 extern void xtrace_set PARAMS((int, FILE *));
  62 #endif
  63 extern void xtrace_fdchk PARAMS((int));
  64 extern void xtrace_reset PARAMS((void));
  65 extern char *indirection_level_string PARAMS((void));
  66 extern void xtrace_print_assignment PARAMS((char *, char *, int, int));
  67 extern void xtrace_print_word_list PARAMS((WORD_LIST *, int));
  68 extern void xtrace_print_for_command_head PARAMS((FOR_COM *));
  69 #if defined (SELECT_COMMAND)
  70 extern void xtrace_print_select_command_head PARAMS((SELECT_COM *));
  71 #endif
  72 extern void xtrace_print_case_command_head PARAMS((CASE_COM *));
  73 #if defined (DPAREN_ARITHMETIC)
  74 extern void xtrace_print_arith_cmd PARAMS((WORD_LIST *));
  75 #endif
  76 #if defined (COND_COMMAND)
  77 extern void xtrace_print_cond_term PARAMS((int, int, WORD_DESC *, char *, char *));
  78 #endif
  79
  80 /* Functions from shell.c. */
  81 extern void exit_shell PARAMS((int)) __attribute__((__noreturn__));
  82 extern void sh_exit PARAMS((int)) __attribute__((__noreturn__));
  83 extern void subshell_exit PARAMS((int)) __attribute__((__noreturn__));
  84 extern void set_exit_status PARAMS((int));
  85 extern void disable_priv_mode PARAMS((void));
  86 extern void unbind_args PARAMS((void));
  87
  88 #if defined (RESTRICTED_SHELL)
  89 extern int shell_is_restricted PARAMS((char *));
  90 extern int maybe_make_restricted PARAMS((char *));
  91 #endif
  92
  93 extern void unset_bush_input PARAMS((int));
  94 extern void get_current_user_info PARAMS((void));
  95
  96 /* Functions from eval.c. */
  97 extern int reader_loop PARAMS((void));
  98 extern int pretty_print_loop PARAMS((void));
  99 extern int parse_command PARAMS((void));
 100 extern int read_command PARAMS((void));
 101
 102 /* Functions from braces.c. */
 103 #if defined (BRACE_EXPANSION)
 104 extern char **brace_expand PARAMS((char *));
 105 #endif
 106
 107 /* Miscellaneous functions from parse.y */
 108 extern int yyparse PARAMS((void));
 109 extern int return_EOF PARAMS((void));
 110 extern void push_token PARAMS((int));
 111 extern char *xparse_dolparen PARAMS((char *, char *, int *, int));
 112 extern void reset_parser PARAMS((void));
 113 extern void reset_readahead_token PARAMS((void));
 114 extern WORD_LIST *parse_string_to_word_list PARAMS((char *, int, const char *));
 115
 116 extern int parser_will_prompt PARAMS((void));
 117 extern int parser_in_command_position PARAMS((void));
 118
 119 extern void free_pushed_string_input PARAMS((void));
 120
 121 extern int parser_expanding_alias PARAMS((void));
 122 extern void parser_save_alias PARAMS((void));
 123 extern void parser_restore_alias PARAMS((void));
 124
 125 extern void clear_shell_input_line PARAMS((void));
 126
 127 extern char *decode_prompt_string PARAMS((char *));
 128
 129 extern int get_current_prompt_level PARAMS((void));
 130 extern void set_current_prompt_level PARAMS((int));
 131
 132 #if defined (HISTORY)
 133 extern char *history_delimiting_chars PARAMS((const char *));
 134 #endif
 135
 136 /* Declarations for functions defined in locale.c */
 137 extern void set_default_locale PARAMS((void));
 138 extern void set_default_locale_vars PARAMS((void));
 139 extern int set_locale_var PARAMS((char *, char *));
 140 extern int set_lang PARAMS((char *, char *));
 141 extern void set_default_lang PARAMS((void));
 142 extern char *get_locale_var PARAMS((char *));
 143 extern char *localetrans PARAMS((char *, int, int *));
 144 extern char *mk_msgstr PARAMS((char *, int *));
 145 extern char *localeexpand PARAMS((char *, int, int, int, int *));
 146 #ifndef locale_decpoint
 147 extern int locale_decpoint PARAMS((void));
 148 #endif
 149
 150 /* Declarations for functions defined in list.c. */
 151 extern void list_walk PARAMS((GENERIC_LIST *, sh_glist_func_t *));
 152 extern void wlist_walk PARAMS((WORD_LIST *, sh_icpfunc_t *));
 153 extern GENERIC_LIST *list_reverse ();
 154 extern int list_length ();
 155 extern GENERIC_LIST *list_append ();
 156 extern GENERIC_LIST *list_remove ();
 157
 158 /* Declarations for functions defined in stringlib.c */
 159 extern int find_string_in_alist PARAMS((char *, STRING_INT_ALIST *, int));
 160 extern char *find_token_in_alist PARAMS((int, STRING_INT_ALIST *, int));
 161 extern int find_index_in_alist PARAMS((char *, STRING_INT_ALIST *, int));
 162
 163 extern char *substring PARAMS((const char *, int, int));
 164 extern char *strsub PARAMS((char *, char *, char *, int));
 165 extern char *strcreplace PARAMS((char *, int, const char *, int));
 166 extern void strip_leading PARAMS((char *));
 167 extern void strip_trailing PARAMS((char *, int, int));
 168 extern void xbcopy PARAMS((char *, char *, int));
 169
 170 /* Functions from version.c. */
 171 extern char *shell_version_string PARAMS((void));
 172 extern void show_shell_version PARAMS((int));
 173
 174 /* Functions from the bush library, lib/sh/libsh.a.  These should really
 175    go into a separate include file. */
 176
 177 /* declarations for functions defined in lib/sh/casemod.c */
 178 extern char *sh_modcase PARAMS((const char *, char *, int));
 179
 180 /* Defines for flags argument to sh_modcase.  These need to agree with what's
 181    in lib/sh/casemode.c */
 182 #define CASE_LOWER      0x0001
 183 #define CASE_UPPER      0x0002
 184 #define CASE_CAPITALIZE 0x0004
 185 #define CASE_UNCAP      0x0008
 186 #define CASE_TOGGLE     0x0010
 187 #define CASE_TOGGLEALL  0x0020
 188 #define CASE_UPFIRST    0x0040
 189 #define CASE_LOWFIRST   0x0080
 190
 191 #define CASE_USEWORDS   0x1000
 192
 193 /* declarations for functions defined in lib/sh/clktck.c */
 194 extern long get_clk_tck PARAMS((void));
 195
 196 /* declarations for functions defined in lib/sh/clock.c */
 197 extern void clock_t_to_secs ();
 198 extern void print_clock_t ();
 199
 200 /* Declarations for functions defined in lib/sh/dprintf.c */
 201 #if !defined (HAVE_DPRINTF)
 202 extern void dprintf PARAMS((int, const char *, ...))  __attribute__((__format__ (printf, 2, 3)));
 203 #endif
 204
 205 /* Declarations for functions defined in lib/sh/fmtulong.c */
 206 #define FL_PREFIX     0x01    /* add 0x, 0X, or 0 prefix as appropriate */
 207 #define FL_ADDBASE    0x02    /* add base# prefix to converted value */
 208 #define FL_HEXUPPER   0x04    /* use uppercase when converting to hex */
 209 #define FL_UNSIGNED   0x08    /* don't add any sign */
 210
 211 extern char *fmtulong PARAMS((unsigned long int, int, char *, size_t, int));
 212
 213 /* Declarations for functions defined in lib/sh/fmtulong.c */
 214 #if defined (HAVE_LONG_LONG)
 215 extern char *fmtullong PARAMS((unsigned long long int, int, char *, size_t, int));
 216 #endif
 217
 218 /* Declarations for functions defined in lib/sh/fmtumax.c */
 219 extern char *fmtumax PARAMS((uintmax_t, int, char *, size_t, int));
 220
 221 /* Declarations for functions defined in lib/sh/fnxform.c */
 222 extern char *fnx_fromfs PARAMS((char *, size_t));
 223 extern char *fnx_tofs PARAMS((char *, size_t));
 224
 225 /* Declarations for functions defined in lib/sh/fpurge.c */
 226
 227 #if defined NEED_FPURGE_DECL
 228 #if !HAVE_DECL_FPURGE
 229
 230 #if HAVE_FPURGE
 231 #  define fpurge _bush_fpurge
 232 #endif
 233 extern int fpurge PARAMS((FILE *stream));
 234
 235 #endif /* HAVE_DECL_FPURGE */
 236 #endif /* NEED_FPURGE_DECL */
 237
 238 /* Declarations for functions defined in lib/sh/getcwd.c */
 239 #if !defined (HAVE_GETCWD)
 240 extern char *getcwd PARAMS((char *, size_t));
 241 #endif
 242
 243 /* Declarations for functions defined in lib/sh/input_avail.c */
 244 extern int input_avail PARAMS((int));
 245
 246 /* Declarations for functions defined in lib/sh/itos.c */
 247 extern char *inttostr PARAMS((intmax_t, char *, size_t));
 248 extern char *itos PARAMS((intmax_t));
 249 extern char *mitos PARAMS((intmax_t));
 250 extern char *uinttostr PARAMS((uintmax_t, char *, size_t));
 251 extern char *uitos PARAMS((uintmax_t));
 252
 253 /* declarations for functions defined in lib/sh/makepath.c */
 254 #define MP_DOTILDE      0x01
 255 #define MP_DOCWD        0x02
 256 #define MP_RMDOT        0x04
 257 #define MP_IGNDOT       0x08
 258
 259 extern char *sh_makepath PARAMS((const char *, const char *, int));
 260
 261 /* declarations for functions defined in lib/sh/mbscasecmp.c */
 262 #if !defined (HAVE_MBSCASECMP)
 263 extern char *mbscasecmp PARAMS((const char *, const char *));
 264 #endif
 265
 266 /* declarations for functions defined in lib/sh/mbschr.c */
 267 #if !defined (HAVE_MBSCHR)
 268 extern char *mbschr PARAMS((const char *, int));
 269 #endif
 270
 271 /* declarations for functions defined in lib/sh/mbscmp.c */
 272 #if !defined (HAVE_MBSCMP)
 273 extern char *mbscmp PARAMS((const char *, const char *));
 274 #endif
 275
 276 /* declarations for functions defined in lib/sh/netconn.c */
 277 extern int isnetconn PARAMS((int));
 278
 279 /* declarations for functions defined in lib/sh/netopen.c */
 280 extern int netopen PARAMS((char *));
 281
 282 /* Declarations for  functions defined in lib/sh/oslib.c */
 283
 284 #if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
 285 extern int dup2 PARAMS((int, int));
 286 #endif
 287
 288 #if !defined (HAVE_GETDTABLESIZE)
 289 extern int getdtablesize PARAMS((void));
 290 #endif /* !HAVE_GETDTABLESIZE */
 291
 292 #if !defined (HAVE_GETHOSTNAME)
 293 extern int gethostname PARAMS((char *, int));
 294 #endif /* !HAVE_GETHOSTNAME */
 295
 296 extern int getmaxgroups PARAMS((void));
 297 extern long getmaxchild PARAMS((void));
 298
 299 /* declarations for functions defined in lib/sh/pathcanon.c */
 300 #define PATH_CHECKDOTDOT        0x0001
 301 #define PATH_CHECKEXISTS        0x0002
 302 #define PATH_HARDPATH           0x0004
 303 #define PATH_NOALLOC            0x0008
 304
 305 extern char *sh_canonpath PARAMS((char *, int));
 306
 307 /* declarations for functions defined in lib/sh/pathphys.c */
 308 extern char *sh_physpath PARAMS((char *, int));
 309 extern char *sh_realpath PARAMS((const char *, char *));
 310
 311 /* declarations for functions defined in lib/sh/random.c */
 312 extern int brand PARAMS((void));
 313 extern void sbrand PARAMS((unsigned long));             /* set bush random number generator. */
 314 extern void seedrand PARAMS((void));                    /* seed generator randomly */
 315 extern void seedrand32 PARAMS((void));
 316 extern u_bits32_t get_urandom32 PARAMS((void));
 317
 318 /* declarations for functions defined in lib/sh/setlinebuf.c */
 319 #ifdef NEED_SH_SETLINEBUF_DECL
 320 extern int sh_setlinebuf PARAMS((FILE *));
 321 #endif
 322
 323 /* declarations for functions defined in lib/sh/shaccess.c */
 324 extern int sh_eaccess PARAMS((const char *, int));
 325
 326 /* declarations for functions defined in lib/sh/shmatch.c */
 327 extern int sh_regmatch PARAMS((const char *, const char *, int));
 328
 329 /* defines for flags argument to sh_regmatch. */
 330 #define SHMAT_SUBEXP            0x001   /* save subexpressions in SH_REMATCH */
 331 #define SHMAT_PWARN             0x002   /* print a warning message on invalid regexp */
 332
 333 /* declarations for functions defined in lib/sh/shmbchar.c */
 334 extern size_t mbstrlen PARAMS((const char *));
 335 extern char *mbsmbchar PARAMS((const char *));
 336 extern int sh_mbsnlen PARAMS((const char *, size_t, int));
 337
 338 /* declarations for functions defined in lib/sh/shquote.c */
 339 extern char *sh_single_quote PARAMS((const char *));
 340 extern char *sh_double_quote PARAMS((const char *));
 341 extern char *sh_mkdoublequoted PARAMS((const char *, int, int));
 342 extern char *sh_un_double_quote PARAMS((char *));
 343 extern char *sh_backslash_quote PARAMS((char *, const char *, int));
 344 extern char *sh_backslash_quote_for_double_quotes PARAMS((char *));
 345 extern char *sh_quote_reusable PARAMS((char *, int));
 346 extern int sh_contains_shell_metas PARAMS((const char *));
 347 extern int sh_contains_quotes PARAMS((const char *));
 348
 349 /* declarations for functions defined in lib/sh/spell.c */
 350 extern int spname PARAMS((char *, char *));
 351 extern char *dirspell PARAMS((char *));
 352
 353 /* declarations for functions defined in lib/sh/strcasecmp.c */
 354 #if !defined (HAVE_STRCASECMP)
 355 extern int strncasecmp PARAMS((const char *, const char *, size_t));
 356 extern int strcasecmp PARAMS((const char *, const char *));
 357 #endif /* HAVE_STRCASECMP */
 358
 359 /* declarations for functions defined in lib/sh/strcasestr.c */
 360 #if ! HAVE_STRCASESTR
 361 extern char *strcasestr PARAMS((const char *, const char *));
 362 #endif
 363
 364 /* declarations for functions defined in lib/sh/strchrnul.c */
 365 #if ! HAVE_STRCHRNUL
 366 extern char *strchrnul PARAMS((const char *, int));
 367 #endif
 368
 369 /* declarations for functions defined in lib/sh/strerror.c */
 370 #if !defined (HAVE_STRERROR) && !defined (strerror)
 371 extern char *strerror PARAMS((int));
 372 #endif
 373
 374 /* declarations for functions defined in lib/sh/strftime.c */
 375 #if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
 376 extern size_t strftime PARAMS((char *, size_t, const char *, const struct tm *));
 377 #endif
 378
 379 /* declarations for functions and structures defined in lib/sh/stringlist.c */
 380
 381 /* This is a general-purpose argv-style array struct. */
 382 typedef struct _list_of_strings {
 383   char **list;
 384   int list_size;
 385   int list_len;
 386 } STRINGLIST;
 387
 388 typedef int sh_strlist_map_func_t PARAMS((char *));
 389
 390 extern STRINGLIST *strlist_create PARAMS((int));
 391 extern STRINGLIST *strlist_resize PARAMS((STRINGLIST *, int));
 392 extern void strlist_flush PARAMS((STRINGLIST *));
 393 extern void strlist_dispose PARAMS((STRINGLIST *));
 394 extern int strlist_remove PARAMS((STRINGLIST *, char *));
 395 extern STRINGLIST *strlist_copy PARAMS((STRINGLIST *));
 396 extern STRINGLIST *strlist_merge PARAMS((STRINGLIST *, STRINGLIST *));
 397 extern STRINGLIST *strlist_append PARAMS((STRINGLIST *, STRINGLIST *));
 398 extern STRINGLIST *strlist_prefix_suffix PARAMS((STRINGLIST *, char *, char *));
 399 extern void strlist_print PARAMS((STRINGLIST *, char *));
 400 extern void strlist_walk PARAMS((STRINGLIST *, sh_strlist_map_func_t *));
 401 extern void strlist_sort PARAMS((STRINGLIST *));
 402
 403 /* declarations for functions defined in lib/sh/stringvec.c */
 404
 405 extern char **strvec_create PARAMS((int));
 406 extern char **strvec_resize PARAMS((char **, int));
 407 extern char **strvec_mcreate PARAMS((int));
 408 extern char **strvec_mresize PARAMS((char **, int));
 409 extern void strvec_flush PARAMS((char **));
 410 extern void strvec_dispose PARAMS((char **));
 411 extern int strvec_remove PARAMS((char **, char *));
 412 extern int strvec_len PARAMS((char **));
 413 extern int strvec_search PARAMS((char **, char *));
 414 extern char **strvec_copy PARAMS((char **));
 415 extern int strvec_posixcmp PARAMS((char **, char **));
 416 extern int strvec_strcmp PARAMS((char **, char **));
 417 extern void strvec_sort PARAMS((char **, int));
 418
 419 extern char **strvec_from_word_list PARAMS((WORD_LIST *, int, int, int *));
 420 extern WORD_LIST *strvec_to_word_list PARAMS((char **, int, int));
 421
 422 /* declarations for functions defined in lib/sh/strnlen.c */
 423 #if !defined (HAVE_STRNLEN)
 424 extern size_t strnlen PARAMS((const char *, size_t));
 425 #endif
 426
 427 /* declarations for functions defined in lib/sh/strpbrk.c */
 428 #if !defined (HAVE_STRPBRK)
 429 extern char *strpbrk PARAMS((const char *, const char *));
 430 #endif
 431
 432 /* declarations for functions defined in lib/sh/strtod.c */
 433 #if !defined (HAVE_STRTOD)
 434 extern double strtod PARAMS((const char *, char **));
 435 #endif
 436
 437 /* declarations for functions defined in lib/sh/strtol.c */
 438 #if !HAVE_DECL_STRTOL
 439 extern long strtol PARAMS((const char *, char **, int));
 440 #endif
 441
 442 /* declarations for functions defined in lib/sh/strtoll.c */
 443 #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
 444 extern long long strtoll PARAMS((const char *, char **, int));
 445 #endif
 446
 447 /* declarations for functions defined in lib/sh/strtoul.c */
 448 #if !HAVE_DECL_STRTOUL
 449 extern unsigned long strtoul PARAMS((const char *, char **, int));
 450 #endif
 451
 452 /* declarations for functions defined in lib/sh/strtoull.c */
 453 #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
 454 extern unsigned long long strtoull PARAMS((const char *, char **, int));
 455 #endif
 456
 457 /* declarations for functions defined in lib/sh/strimax.c */
 458 #if !HAVE_DECL_STRTOIMAX
 459 extern intmax_t strtoimax PARAMS((const char *, char **, int));
 460 #endif
 461
 462 /* declarations for functions defined in lib/sh/strumax.c */
 463 #if !HAVE_DECL_STRTOUMAX
 464 extern uintmax_t strtoumax PARAMS((const char *, char **, int));
 465 #endif
 466
 467 /* declarations for functions defined in lib/sh/strtrans.c */
 468 extern char *ansicstr PARAMS((char *, int, int, int *, int *));
 469 extern char *ansic_quote PARAMS((char *, int, int *));
 470 extern int ansic_shouldquote PARAMS((const char *));
 471 extern char *ansiexpand PARAMS((char *, int, int, int *));
 472
 473 /* declarations for functions defined in lib/sh/timeval.c.  No prototypes
 474    so we don't have to count on having a definition of struct timeval in
 475    scope when this file is included. */
 476 extern void timeval_to_secs ();
 477 extern void print_timeval ();
 478
 479 /* declarations for functions defined in lib/sh/tmpfile.c */
 480 #define MT_USETMPDIR            0x0001
 481 #define MT_READWRITE            0x0002
 482 #define MT_USERANDOM            0x0004
 483 #define MT_TEMPLATE             0x0008
 484
 485 extern char *sh_mktmpname PARAMS((char *, int));
 486 extern int sh_mktmpfd PARAMS((char *, int, char **));
 487 /* extern FILE *sh_mktmpfp PARAMS((char *, int, char **)); */
 488 extern char *sh_mktmpdir PARAMS((char *, int));
 489
 490 /* declarations for functions defined in lib/sh/uconvert.c */
 491 extern int uconvert PARAMS((char *, long *, long *, char **));
 492
 493 /* declarations for functions defined in lib/sh/ufuncs.c */
 494 extern unsigned int falarm PARAMS((unsigned int, unsigned int));
 495 extern unsigned int fsleep PARAMS((unsigned int, unsigned int));
 496
 497 /* declarations for functions defined in lib/sh/unicode.c */
 498 extern int u32cconv PARAMS((unsigned long, char *));
 499 extern void u32reset PARAMS((void));
 500
 501 /* declarations for functions defined in lib/sh/utf8.c */
 502 extern char *utf8_mbschr PARAMS((const char *, int));
 503 extern int utf8_mbscmp PARAMS((const char *, const char *));
 504 extern char *utf8_mbsmbchar PARAMS((const char *));
 505 extern int utf8_mbsnlen PARAMS((const char *, size_t, int));
 506 extern int utf8_mblen PARAMS((const char *, size_t));
 507 extern size_t utf8_mbstrlen PARAMS((const char *));
 508
 509 /* declarations for functions defined in lib/sh/wcsnwidth.c */
 510 #if defined (HANDLE_MULTIBYTE)
 511 extern int wcsnwidth PARAMS((const wchar_t *, size_t, int));
 512 #endif
 513
 514 /* declarations for functions defined in lib/sh/winsize.c */
 515 extern void get_new_window_size PARAMS((int, int *, int *));
 516
 517 /* declarations for functions defined in lib/sh/zcatfd.c */
 518 extern int zcatfd PARAMS((int, int, char *));
 519
 520 /* declarations for functions defined in lib/sh/zgetline.c */
 521 extern ssize_t zgetline PARAMS((int, char **, size_t *, int, int));
 522
 523 /* declarations for functions defined in lib/sh/zmapfd.c */
 524 extern int zmapfd PARAMS((int, char **, char *));
 525
 526 /* declarations for functions defined in lib/sh/zread.c */
 527 extern ssize_t zread PARAMS((int, char *, size_t));
 528 extern ssize_t zreadretry PARAMS((int, char *, size_t));
 529 extern ssize_t zreadintr PARAMS((int, char *, size_t));
 530 extern ssize_t zreadc PARAMS((int, char *));
 531 extern ssize_t zreadcintr PARAMS((int, char *));
 532 extern ssize_t zreadn PARAMS((int, char *, size_t));
 533 extern void zreset PARAMS((void));
 534 extern void zsyncfd PARAMS((int));
 535
 536 /* declarations for functions defined in lib/sh/zwrite.c */
 537 extern int zwrite PARAMS((int, char *, size_t));
 538
 539 /* declarations for functions defined in lib/glob/gmisc.c */
 540 extern int match_pattern_char PARAMS((char *, char *, int));
 541 extern int umatchlen PARAMS((char *, size_t));
 542
 543 #if defined (HANDLE_MULTIBYTE)
 544 extern int match_pattern_wchar PARAMS((wchar_t *, wchar_t *, int));
 545 extern int wmatchlen PARAMS((wchar_t *, size_t));
 546 #endif
 547
 548 #endif /* _EXTERNS_H_ */