3 /* Hierarchial argument parsing, layered over getopt.
4 Copyright (C) 1995-1999,2003-2007 Free Software Foundation, Inc.
5 This file is part of the GNU C Library.
6 Written by Miles Bader <miles@gnu.ai.mit.edu>.
8 This program 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 2, or (at your option)
13 This program 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.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation,
20 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
30 #define __need_error_t
37 # define __NTH(fct) fct __THROW
41 /* This feature is available in gcc versions 2.5 and later. */
42 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
43 # define __attribute__(Spec) /* empty */
45 /* The __-protected variants of `format' and `printf' attributes
46 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
47 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) || __STRICT_ANSI__
48 # define __format__ format
49 # define __printf__ printf
53 /* GCC 2.95 and later have "__restrict"; C99 compilers have
54 "restrict", and "configure" may have defined "restrict".
55 Other compilers use __restrict, __restrict__, and _Restrict, and
56 'configure' might #define 'restrict' to those words. */
58 # if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
59 # if 199901L <= __STDC_VERSION__
60 # define __restrict restrict
67 #ifndef __error_t_defined
69 # define __error_t_defined
76 /* A description of a particular option. A pointer to an array of
77 these is passed in the OPTIONS field of an argp structure. Each option
78 entry can correspond to one long option and/or one short option; more
79 names for the same option can be added by following an entry in an option
80 array with options having the OPTION_ALIAS flag set. */
83 /* The long option name. For more than one name for the same option, you
84 can use following options with the OPTION_ALIAS flag set. */
87 /* What key is returned for this option. If > 0 and printable, then it's
88 also accepted as a short option. */
91 /* If non-NULL, this is the name of the argument associated with this
92 option, which is required unless the OPTION_ARG_OPTIONAL flag is set. */
98 /* The doc string for this option. If both NAME and KEY are 0, This string
99 will be printed outdented from the normal option column, making it
100 useful as a group header (it will be the first thing printed in its
101 group); in this usage, it's conventional to end the string with a `:'.
103 Write the initial value as N_("TEXT") if you want xgettext to collect
104 it into a POT file. */
107 /* The group this option is in. In a long help message, options are sorted
108 alphabetically within each group, and the groups presented in the order
109 0, 1, 2, ..., n, -m, ..., -2, -1. Every entry in an options array with
110 if this field 0 will inherit the group number of the previous entry, or
111 zero if it's the first one, unless its a group header (NAME and KEY both
112 0), in which case, the previous entry + 1 is the default. Automagic
113 options such as --help are put into group -1. */
117 /* The argument associated with this option is optional. */
118 #define OPTION_ARG_OPTIONAL 0x1
120 /* This option isn't displayed in any help messages. */
121 #define OPTION_HIDDEN 0x2
123 /* This option is an alias for the closest previous non-alias option. This
124 means that it will be displayed in the same help entry, and will inherit
125 fields other than NAME and KEY from the aliased option. */
126 #define OPTION_ALIAS 0x4
128 /* This option isn't actually an option (and so should be ignored by the
129 actual option parser), but rather an arbitrary piece of documentation that
130 should be displayed in much the same manner as the options. If this flag
131 is set, then the option NAME field is displayed unmodified (e.g., no `--'
132 prefix is added) at the left-margin (where a *short* option would normally
133 be displayed), and the documentation string in the normal place. The NAME
134 field will be translated using gettext, unless OPTION_NO_TRANS is set (see
135 below). For purposes of sorting, any leading whitespace and punctuation is
136 ignored, except that if the first non-whitespace character is not `-', this
137 entry is displayed after all options (and OPTION_DOC entries with a leading
138 `-') in the same group. */
139 #define OPTION_DOC 0x8
141 /* This option shouldn't be included in `long' usage messages (but is still
142 included in help messages). This is mainly intended for options that are
143 completely documented in an argp's ARGS_DOC field, in which case including
144 the option in the generic usage list would be redundant. For instance,
145 if ARGS_DOC is "FOO BAR\n-x BLAH", and the `-x' option's purpose is to
146 distinguish these two cases, -x should probably be marked
148 #define OPTION_NO_USAGE 0x10
150 /* Valid only in conjunction with OPTION_DOC. This option disables translation
152 #define OPTION_NO_TRANS 0x20
155 struct argp; /* fwd declare this type */
156 struct argp_state; /* " */
157 struct argp_child; /* " */
159 /* The type of a pointer to an argp parsing function. */
160 typedef error_t (*argp_parser_t) (int key, char *arg,
161 struct argp_state *state);
163 /* What to return for unrecognized keys. For special ARGP_KEY_ keys, such
164 returns will simply be ignored. For user keys, this error will be turned
165 into EINVAL (if the call to argp_parse is such that errors are propagated
166 back to the user instead of exiting); returning EINVAL itself would result
167 in an immediate stop to parsing in *all* cases. */
168 #define ARGP_ERR_UNKNOWN E2BIG /* Hurd should never need E2BIG. XXX */
170 /* Special values for the KEY argument to an argument parsing function.
171 ARGP_ERR_UNKNOWN should be returned if they aren't understood.
173 The sequence of keys to a parsing function is either (where each
174 uppercased word should be prefixed by `ARGP_KEY_' and opt is a user key):
176 INIT opt... NO_ARGS END SUCCESS -- No non-option arguments at all
177 or INIT (opt | ARG)... END SUCCESS -- All non-option args parsed
178 or INIT (opt | ARG)... SUCCESS -- Some non-option arg unrecognized
180 The third case is where every parser returned ARGP_KEY_UNKNOWN for an
181 argument, in which case parsing stops at that argument (returning the
182 unparsed arguments to the caller of argp_parse if requested, or stopping
183 with an error message if not).
185 If an error occurs (either detected by argp, or because the parsing
186 function returned an error value), then the parser is called with
187 ARGP_KEY_ERROR, and no further calls are made. */
189 /* This is not an option at all, but rather a command line argument. If a
190 parser receiving this key returns success, the fact is recorded, and the
191 ARGP_KEY_NO_ARGS case won't be used. HOWEVER, if while processing the
192 argument, a parser function decrements the NEXT field of the state it's
193 passed, the option won't be considered processed; this is to allow you to
194 actually modify the argument (perhaps into an option), and have it
196 #define ARGP_KEY_ARG 0
197 /* There are remaining arguments not parsed by any parser, which may be found
198 starting at (STATE->argv + STATE->next). If success is returned, but
199 STATE->next left untouched, it's assumed that all arguments were consume,
200 otherwise, the parser should adjust STATE->next to reflect any arguments
202 #define ARGP_KEY_ARGS 0x1000006
203 /* There are no more command line arguments at all. */
204 #define ARGP_KEY_END 0x1000001
205 /* Because it's common to want to do some special processing if there aren't
206 any non-option args, user parsers are called with this key if they didn't
207 successfully process any non-option arguments. Called just before
208 ARGP_KEY_END (where more general validity checks on previously parsed
209 arguments can take place). */
210 #define ARGP_KEY_NO_ARGS 0x1000002
211 /* Passed in before any parsing is done. Afterwards, the values of each
212 element of the CHILD_INPUT field, if any, in the state structure is
213 copied to each child's state to be the initial value of the INPUT field. */
214 #define ARGP_KEY_INIT 0x1000003
215 /* Use after all other keys, including SUCCESS & END. */
216 #define ARGP_KEY_FINI 0x1000007
217 /* Passed in when parsing has successfully been completed (even if there are
218 still arguments remaining). */
219 #define ARGP_KEY_SUCCESS 0x1000004
220 /* Passed in if an error occurs. */
221 #define ARGP_KEY_ERROR 0x1000005
223 /* An argp structure contains a set of options declarations, a function to
224 deal with parsing one, documentation string, a possible vector of child
225 argp's, and perhaps a function to filter help output. When actually
226 parsing options, getopt is called with the union of all the argp
227 structures chained together through their CHILD pointers, with conflicts
228 being resolved in favor of the first occurrence in the chain. */
231 /* An array of argp_option structures, terminated by an entry with both
232 NAME and KEY having a value of 0. */
233 const struct argp_option *options;
235 /* What to do with an option from this structure. KEY is the key
236 associated with the option, and ARG is any associated argument (NULL if
237 none was supplied). If KEY isn't understood, ARGP_ERR_UNKNOWN should be
238 returned. If a non-zero, non-ARGP_ERR_UNKNOWN value is returned, then
239 parsing is stopped immediately, and that value is returned from
240 argp_parse(). For special (non-user-supplied) values of KEY, see the
241 ARGP_KEY_ definitions below. */
242 argp_parser_t parser;
244 /* A string describing what other arguments are wanted by this program. It
245 is only used by argp_usage to print the `Usage:' message. If it
246 contains newlines, the strings separated by them are considered
247 alternative usage patterns, and printed on separate lines (lines after
248 the first are prefix by ` or: ' instead of `Usage:'). */
249 const char *args_doc;
251 /* If non-NULL, a string containing extra text to be printed before and
252 after the options in a long help message (separated by a vertical tab
254 Write the initial value as N_("BEFORE-TEXT") "\v" N_("AFTER-TEXT") if
255 you want xgettext to collect the two pieces of text into a POT file. */
258 /* A vector of argp_children structures, terminated by a member with a 0
259 argp field, pointing to child argps should be parsed with this one. Any
260 conflicts are resolved in favor of this argp, or early argps in the
261 CHILDREN list. This field is useful if you use libraries that supply
262 their own argp structure, which you want to use in conjunction with your
264 const struct argp_child *children;
266 /* If non-zero, this should be a function to filter the output of help
267 messages. KEY is either a key from an option, in which case TEXT is
268 that option's help text, or a special key from the ARGP_KEY_HELP_
269 defines, below, describing which other help text TEXT is. The function
270 should return either TEXT, if it should be used as-is, a replacement
271 string, which should be malloced, and will be freed by argp, or NULL,
272 meaning `print nothing'. The value for TEXT is *after* any translation
273 has been done, so if any of the replacement text also needs translation,
274 that should be done by the filter function. INPUT is either the input
275 supplied to argp_parse, or NULL, if argp_help was called directly. */
276 char *(*help_filter) (int __key, const char *__text, void *__input);
278 /* If non-zero the strings used in the argp library are translated using
279 the domain described by this string. Otherwise the currently installed
280 default domain is used. */
281 const char *argp_domain;
284 /* Possible KEY arguments to a help filter function. */
285 #define ARGP_KEY_HELP_PRE_DOC 0x2000001 /* Help text preceeding options. */
286 #define ARGP_KEY_HELP_POST_DOC 0x2000002 /* Help text following options. */
287 #define ARGP_KEY_HELP_HEADER 0x2000003 /* Option header string. */
288 #define ARGP_KEY_HELP_EXTRA 0x2000004 /* After all other documentation;
289 TEXT is NULL for this key. */
290 /* Explanatory note emitted when duplicate option arguments have been
292 #define ARGP_KEY_HELP_DUP_ARGS_NOTE 0x2000005
293 #define ARGP_KEY_HELP_ARGS_DOC 0x2000006 /* Argument doc string. */
295 /* When an argp has a non-zero CHILDREN field, it should point to a vector of
296 argp_child structures, each of which describes a subsidiary argp. */
299 /* The child parser. */
300 const struct argp *argp;
302 /* Flags for this child. */
305 /* If non-zero, an optional header to be printed in help output before the
306 child options. As a side-effect, a non-zero value forces the child
307 options to be grouped together; to achieve this effect without actually
308 printing a header string, use a value of "". */
311 /* Where to group the child options relative to the other (`consolidated')
312 options in the parent argp; the values are the same as the GROUP field
313 in argp_option structs, but all child-groupings follow parent options at
314 a particular group level. If both this field and HEADER are zero, then
315 they aren't grouped at all, but rather merged with the parent options
316 (merging the child's grouping levels with the parents). */
320 /* Parsing state. This is provided to parsing functions called by argp,
321 which may examine and, as noted, modify fields. */
324 /* The top level ARGP being parsed. */
325 const struct argp *root_argp;
327 /* The argument vector being parsed. May be modified. */
331 /* The index in ARGV of the next arg that to be parsed. May be modified. */
334 /* The flags supplied to argp_parse. May be modified. */
337 /* While calling a parsing function with a key of ARGP_KEY_ARG, this is the
338 number of the current arg, starting at zero, and incremented after each
339 such call returns. At all other times, this is the number of such
340 arguments that have been processed. */
343 /* If non-zero, the index in ARGV of the first argument following a special
344 `--' argument (which prevents anything following being interpreted as an
345 option). Only set once argument parsing has proceeded past this point. */
348 /* An arbitrary pointer passed in from the user. */
350 /* Values to pass to child parsers. This vector will be the same length as
351 the number of children for the current parser. */
354 /* For the parser's use. Initialized to 0. */
357 /* The name used when printing messages. This is initialized to ARGV[0],
358 or PROGRAM_INVOCATION_NAME if that is unavailable. */
361 /* Streams used when argp prints something. */
362 FILE *err_stream; /* For errors; initialized to stderr. */
363 FILE *out_stream; /* For information; initialized to stdout. */
365 void *pstate; /* Private, for use by argp. */
368 /* Flags for argp_parse (note that the defaults are those that are
369 convenient for program command line parsing): */
371 /* Don't ignore the first element of ARGV. Normally (and always unless
372 ARGP_NO_ERRS is set) the first element of the argument vector is
373 skipped for option parsing purposes, as it corresponds to the program name
374 in a command line. */
375 #define ARGP_PARSE_ARGV0 0x01
377 /* Don't print error messages for unknown options to stderr; unless this flag
378 is set, ARGP_PARSE_ARGV0 is ignored, as ARGV[0] is used as the program
379 name in the error messages. This flag implies ARGP_NO_EXIT (on the
380 assumption that silent exiting upon errors is bad behaviour). */
381 #define ARGP_NO_ERRS 0x02
383 /* Don't parse any non-option args. Normally non-option args are parsed by
384 calling the parse functions with a key of ARGP_KEY_ARG, and the actual arg
385 as the value. Since it's impossible to know which parse function wants to
386 handle it, each one is called in turn, until one returns 0 or an error
387 other than ARGP_ERR_UNKNOWN; if an argument is handled by no one, the
388 argp_parse returns prematurely (but with a return value of 0). If all
389 args have been parsed without error, all parsing functions are called one
390 last time with a key of ARGP_KEY_END. This flag needn't normally be set,
391 as the normal behavior is to stop parsing as soon as some argument can't
393 #define ARGP_NO_ARGS 0x04
395 /* Parse options and arguments in the same order they occur on the command
396 line -- normally they're rearranged so that all options come first. */
397 #define ARGP_IN_ORDER 0x08
399 /* Don't provide the standard long option --help, which causes usage and
400 option help information to be output to stdout, and exit (0) called. */
401 #define ARGP_NO_HELP 0x10
403 /* Don't exit on errors (they may still result in error messages). */
404 #define ARGP_NO_EXIT 0x20
406 /* Use the gnu getopt `long-only' rules for parsing arguments. */
407 #define ARGP_LONG_ONLY 0x40
409 /* Turns off any message-printing/exiting options. */
410 #define ARGP_SILENT (ARGP_NO_EXIT | ARGP_NO_ERRS | ARGP_NO_HELP)
412 /* Parse the options strings in ARGC & ARGV according to the options in ARGP.
413 FLAGS is one of the ARGP_ flags above. If ARG_INDEX is non-NULL, the
414 index in ARGV of the first unparsed option is returned in it. If an
415 unknown option is present, ARGP_ERR_UNKNOWN is returned; if some parser
416 routine returned a non-zero value, it is returned; otherwise 0 is
417 returned. This function may also call exit unless the ARGP_NO_HELP flag
418 is set. INPUT is a pointer to a value to be passed in to the parser. */
419 extern error_t argp_parse (const struct argp *__restrict __argp,
420 int /*argc*/, char **__restrict /*argv*/,
421 unsigned __flags, int *__restrict __arg_index,
422 void *__restrict __input);
423 extern error_t __argp_parse (const struct argp *__restrict __argp,
424 int /*argc*/, char **__restrict /*argv*/,
425 unsigned __flags, int *__restrict __arg_index,
426 void *__restrict __input);
428 /* Global variables. */
430 /* GNULIB makes sure both program_invocation_name and
431 program_invocation_short_name are available */
432 #ifdef GNULIB_PROGRAM_INVOCATION_NAME
433 extern char *program_invocation_name;
434 # undef HAVE_DECL_PROGRAM_INVOCATION_NAME
435 # define HAVE_DECL_PROGRAM_INVOCATION_NAME 1
438 #ifdef GNULIB_PROGRAM_INVOCATION_SHORT_NAME
439 extern char *program_invocation_short_name;
440 # undef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
441 # define HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME 1
444 /* If defined or set by the user program to a non-zero value, then a default
445 option --version is added (unless the ARGP_NO_HELP flag is used), which
446 will print this string followed by a newline and exit (unless the
447 ARGP_NO_EXIT flag is used). Overridden by ARGP_PROGRAM_VERSION_HOOK. */
448 extern const char *argp_program_version;
450 /* If defined or set by the user program to a non-zero value, then a default
451 option --version is added (unless the ARGP_NO_HELP flag is used), which
452 calls this function with a stream to print the version to and a pointer to
453 the current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
454 used). This variable takes precedent over ARGP_PROGRAM_VERSION. */
455 extern void (*argp_program_version_hook) (FILE *__restrict __stream,
456 struct argp_state *__restrict
459 /* If defined or set by the user program, it should point to string that is
460 the bug-reporting address for the program. It will be printed by
461 argp_help if the ARGP_HELP_BUG_ADDR flag is set (as it is by various
462 standard help messages), embedded in a sentence that says something like
463 `Report bugs to ADDR.'. */
464 extern const char *argp_program_bug_address;
466 /* The exit status that argp will use when exiting due to a parsing error.
467 If not defined or set by the user program, this defaults to EX_USAGE from
469 extern error_t argp_err_exit_status;
471 /* Flags for argp_help. */
472 #define ARGP_HELP_USAGE 0x01 /* a Usage: message. */
473 #define ARGP_HELP_SHORT_USAGE 0x02 /* " but don't actually print options. */
474 #define ARGP_HELP_SEE 0x04 /* a `Try ... for more help' message. */
475 #define ARGP_HELP_LONG 0x08 /* a long help message. */
476 #define ARGP_HELP_PRE_DOC 0x10 /* doc string preceding long help. */
477 #define ARGP_HELP_POST_DOC 0x20 /* doc string following long help. */
478 #define ARGP_HELP_DOC (ARGP_HELP_PRE_DOC | ARGP_HELP_POST_DOC)
479 #define ARGP_HELP_BUG_ADDR 0x40 /* bug report address */
480 #define ARGP_HELP_LONG_ONLY 0x80 /* modify output appropriately to
481 reflect ARGP_LONG_ONLY mode. */
483 /* These ARGP_HELP flags are only understood by argp_state_help. */
484 #define ARGP_HELP_EXIT_ERR 0x100 /* Call exit(1) instead of returning. */
485 #define ARGP_HELP_EXIT_OK 0x200 /* Call exit(0) instead of returning. */
487 /* The standard thing to do after a program command line parsing error, if an
488 error message has already been printed. */
489 #define ARGP_HELP_STD_ERR \
490 (ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR)
491 /* The standard thing to do after a program command line parsing error, if no
492 more specific error message has been printed. */
493 #define ARGP_HELP_STD_USAGE \
494 (ARGP_HELP_SHORT_USAGE | ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR)
495 /* The standard thing to do in response to a --help option. */
496 #define ARGP_HELP_STD_HELP \
497 (ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG | ARGP_HELP_EXIT_OK \
498 | ARGP_HELP_DOC | ARGP_HELP_BUG_ADDR)
500 /* Output a usage message for ARGP to STREAM. FLAGS are from the set
502 extern void argp_help (const struct argp *__restrict __argp,
503 FILE *__restrict __stream,
504 unsigned __flags, char *__restrict __name);
505 extern void __argp_help (const struct argp *__restrict __argp,
506 FILE *__restrict __stream, unsigned __flags,
509 /* The following routines are intended to be called from within an argp
510 parsing routine (thus taking an argp_state structure as the first
511 argument). They may or may not print an error message and exit, depending
512 on the flags in STATE -- in any case, the caller should be prepared for
513 them *not* to exit, and should return an appropiate error after calling
514 them. [argp_usage & argp_error should probably be called argp_state_...,
515 but they're used often enough that they should be short] */
517 /* Output, if appropriate, a usage message for STATE to STREAM. FLAGS are
518 from the set ARGP_HELP_*. */
519 extern void argp_state_help (const struct argp_state *__restrict __state,
520 FILE *__restrict __stream,
521 unsigned int __flags);
522 extern void __argp_state_help (const struct argp_state *__restrict __state,
523 FILE *__restrict __stream,
524 unsigned int __flags);
526 /* Possibly output the standard usage message for ARGP to stderr and exit. */
527 extern void argp_usage (const struct argp_state *__state);
528 extern void __argp_usage (const struct argp_state *__state);
530 /* If appropriate, print the printf string FMT and following args, preceded
531 by the program name and `:', to stderr, and followed by a `Try ... --help'
532 message, then exit (1). */
533 extern void argp_error (const struct argp_state *__restrict __state,
534 const char *__restrict __fmt, ...)
535 __attribute__ ((__format__ (__printf__, 2, 3)));
536 extern void __argp_error (const struct argp_state *__restrict __state,
537 const char *__restrict __fmt, ...)
538 __attribute__ ((__format__ (__printf__, 2, 3)));
540 /* Similar to the standard gnu error-reporting function error(), but will
541 respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print
542 to STATE->err_stream. This is useful for argument parsing code that is
543 shared between program startup (when exiting is desired) and runtime
544 option parsing (when typically an error code is returned instead). The
545 difference between this function and argp_error is that the latter is for
546 *parsing errors*, and the former is for other problems that occur during
547 parsing but don't reflect a (syntactic) problem with the input. */
548 extern void argp_failure (const struct argp_state *__restrict __state,
549 int __status, int __errnum,
550 const char *__restrict __fmt, ...)
551 __attribute__ ((__format__ (__printf__, 4, 5)));
552 extern void __argp_failure (const struct argp_state *__restrict __state,
553 int __status, int __errnum,
554 const char *__restrict __fmt, ...)
555 __attribute__ ((__format__ (__printf__, 4, 5)));
557 /* Returns true if the option OPT is a valid short option. */
558 extern int _option_is_short (const struct argp_option *__opt) __THROW;
559 extern int __option_is_short (const struct argp_option *__opt) __THROW;
561 /* Returns true if the option OPT is in fact the last (unused) entry in an
563 extern int _option_is_end (const struct argp_option *__opt) __THROW;
564 extern int __option_is_end (const struct argp_option *__opt) __THROW;
566 /* Return the input field for ARGP in the parser corresponding to STATE; used
567 by the help routines. */
568 extern void *_argp_input (const struct argp *__restrict __argp,
569 const struct argp_state *__restrict __state)
571 extern void *__argp_input (const struct argp *__restrict __argp,
572 const struct argp_state *__restrict __state)
575 #ifdef __USE_EXTERN_INLINES
578 # define __argp_usage argp_usage
579 # define __argp_state_help argp_state_help
580 # define __option_is_short _option_is_short
581 # define __option_is_end _option_is_end
585 # define ARGP_EI extern __inline__
589 __argp_usage (const struct argp_state *__state)
591 __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
595 __NTH (__option_is_short (const struct argp_option *__opt))
597 if (__opt->flags & OPTION_DOC)
601 int __key = __opt->key;
602 return __key > 0 && __key <= UCHAR_MAX && isprint (__key);
607 __NTH (__option_is_end (const struct argp_option *__opt))
609 return !__opt->key && !__opt->name && !__opt->doc && !__opt->group;
614 # undef __argp_state_help
615 # undef __option_is_short
616 # undef __option_is_end
618 #endif /* Use extern inlines. */