argp.h
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上传日期:2009-04-28
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- /* Hierarchial argument parsing, layered over getopt.
- Copyright (C) 1995-1999,2003,2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Written by Miles Bader <miles@gnu.ai.mit.edu>.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef _ARGP_H
- #define _ARGP_H
- #include <stdio.h>
- #include <ctype.h>
- #include <getopt.h>
- #define __need_error_t
- #include <errno.h>
- #ifndef __const
- # define __const const
- #endif
- #ifndef __THROW
- # define __THROW
- #endif
- #ifndef __NTH
- # define __NTH(fct) fct __THROW
- #endif
- #ifndef __attribute__
- /* This feature is available in gcc versions 2.5 and later. */
- # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
- # define __attribute__(Spec) /* empty */
- # endif
- /* The __-protected variants of `format' and `printf' attributes
- are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
- # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) || __STRICT_ANSI__
- # define __format__ format
- # define __printf__ printf
- # endif
- #endif
- /* GCC 2.95 and later have "__restrict"; C99 compilers have
- "restrict", and "configure" may have defined "restrict". */
- #ifndef __restrict
- # if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
- # if defined restrict || 199901L <= __STDC_VERSION__
- # define __restrict restrict
- # else
- # define __restrict
- # endif
- # endif
- #endif
- #ifndef __error_t_defined
- typedef int error_t;
- # define __error_t_defined
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* A description of a particular option. A pointer to an array of
- these is passed in the OPTIONS field of an argp structure. Each option
- entry can correspond to one long option and/or one short option; more
- names for the same option can be added by following an entry in an option
- array with options having the OPTION_ALIAS flag set. */
- struct argp_option
- {
- /* The long option name. For more than one name for the same option, you
- can use following options with the OPTION_ALIAS flag set. */
- __const char *name;
- /* What key is returned for this option. If > 0 and printable, then it's
- also accepted as a short option. */
- int key;
- /* If non-NULL, this is the name of the argument associated with this
- option, which is required unless the OPTION_ARG_OPTIONAL flag is set. */
- __const char *arg;
- /* OPTION_ flags. */
- int flags;
- /* The doc string for this option. If both NAME and KEY are 0, This string
- will be printed outdented from the normal option column, making it
- useful as a group header (it will be the first thing printed in its
- group); in this usage, it's conventional to end the string with a `:'. */
- __const char *doc;
- /* The group this option is in. In a long help message, options are sorted
- alphabetically within each group, and the groups presented in the order
- 0, 1, 2, ..., n, -m, ..., -2, -1. Every entry in an options array with
- if this field 0 will inherit the group number of the previous entry, or
- zero if it's the first one, unless its a group header (NAME and KEY both
- 0), in which case, the previous entry + 1 is the default. Automagic
- options such as --help are put into group -1. */
- int group;
- };
- /* The argument associated with this option is optional. */
- #define OPTION_ARG_OPTIONAL 0x1
- /* This option isn't displayed in any help messages. */
- #define OPTION_HIDDEN 0x2
- /* This option is an alias for the closest previous non-alias option. This
- means that it will be displayed in the same help entry, and will inherit
- fields other than NAME and KEY from the aliased option. */
- #define OPTION_ALIAS 0x4
- /* This option isn't actually an option (and so should be ignored by the
- actual option parser), but rather an arbitrary piece of documentation that
- should be displayed in much the same manner as the options. If this flag
- is set, then the option NAME field is displayed unmodified (e.g., no `--'
- prefix is added) at the left-margin (where a *short* option would normally
- be displayed), and the documentation string in the normal place. For
- purposes of sorting, any leading whitespace and punctuation is ignored,
- except that if the first non-whitespace character is not `-', this entry
- is displayed after all options (and OPTION_DOC entries with a leading `-')
- in the same group. */
- #define OPTION_DOC 0x8
- /* This option shouldn't be included in `long' usage messages (but is still
- included in help messages). This is mainly intended for options that are
- completely documented in an argp's ARGS_DOC field, in which case including
- the option in the generic usage list would be redundant. For instance,
- if ARGS_DOC is "FOO BARn-x BLAH", and the `-x' option's purpose is to
- distinguish these two cases, -x should probably be marked
- OPTION_NO_USAGE. */
- #define OPTION_NO_USAGE 0x10
- struct argp; /* fwd declare this type */
- struct argp_state; /* " */
- struct argp_child; /* " */
- /* The type of a pointer to an argp parsing function. */
- typedef error_t (*argp_parser_t) (int key, char *arg,
- struct argp_state *state);
- /* What to return for unrecognized keys. For special ARGP_KEY_ keys, such
- returns will simply be ignored. For user keys, this error will be turned
- into EINVAL (if the call to argp_parse is such that errors are propagated
- back to the user instead of exiting); returning EINVAL itself would result
- in an immediate stop to parsing in *all* cases. */
- #define ARGP_ERR_UNKNOWN E2BIG /* Hurd should never need E2BIG. XXX */
- /* Special values for the KEY argument to an argument parsing function.
- ARGP_ERR_UNKNOWN should be returned if they aren't understood.
- The sequence of keys to a parsing function is either (where each
- uppercased word should be prefixed by `ARGP_KEY_' and opt is a user key):
- INIT opt... NO_ARGS END SUCCESS -- No non-option arguments at all
- or INIT (opt | ARG)... END SUCCESS -- All non-option args parsed
- or INIT (opt | ARG)... SUCCESS -- Some non-option arg unrecognized
- The third case is where every parser returned ARGP_KEY_UNKNOWN for an
- argument, in which case parsing stops at that argument (returning the
- unparsed arguments to the caller of argp_parse if requested, or stopping
- with an error message if not).
- If an error occurs (either detected by argp, or because the parsing
- function returned an error value), then the parser is called with
- ARGP_KEY_ERROR, and no further calls are made. */
- /* This is not an option at all, but rather a command line argument. If a
- parser receiving this key returns success, the fact is recorded, and the
- ARGP_KEY_NO_ARGS case won't be used. HOWEVER, if while processing the
- argument, a parser function decrements the NEXT field of the state it's
- passed, the option won't be considered processed; this is to allow you to
- actually modify the argument (perhaps into an option), and have it
- processed again. */
- #define ARGP_KEY_ARG 0
- /* There are remaining arguments not parsed by any parser, which may be found
- starting at (STATE->argv + STATE->next). If success is returned, but
- STATE->next left untouched, it's assumed that all arguments were consume,
- otherwise, the parser should adjust STATE->next to reflect any arguments
- consumed. */
- #define ARGP_KEY_ARGS 0x1000006
- /* There are no more command line arguments at all. */
- #define ARGP_KEY_END 0x1000001
- /* Because it's common to want to do some special processing if there aren't
- any non-option args, user parsers are called with this key if they didn't
- successfully process any non-option arguments. Called just before
- ARGP_KEY_END (where more general validity checks on previously parsed
- arguments can take place). */
- #define ARGP_KEY_NO_ARGS 0x1000002
- /* Passed in before any parsing is done. Afterwards, the values of each
- element of the CHILD_INPUT field, if any, in the state structure is
- copied to each child's state to be the initial value of the INPUT field. */
- #define ARGP_KEY_INIT 0x1000003
- /* Use after all other keys, including SUCCESS & END. */
- #define ARGP_KEY_FINI 0x1000007
- /* Passed in when parsing has successfully been completed (even if there are
- still arguments remaining). */
- #define ARGP_KEY_SUCCESS 0x1000004
- /* Passed in if an error occurs. */
- #define ARGP_KEY_ERROR 0x1000005
- /* An argp structure contains a set of options declarations, a function to
- deal with parsing one, documentation string, a possible vector of child
- argp's, and perhaps a function to filter help output. When actually
- parsing options, getopt is called with the union of all the argp
- structures chained together through their CHILD pointers, with conflicts
- being resolved in favor of the first occurrence in the chain. */
- struct argp
- {
- /* An array of argp_option structures, terminated by an entry with both
- NAME and KEY having a value of 0. */
- __const struct argp_option *options;
- /* What to do with an option from this structure. KEY is the key
- associated with the option, and ARG is any associated argument (NULL if
- none was supplied). If KEY isn't understood, ARGP_ERR_UNKNOWN should be
- returned. If a non-zero, non-ARGP_ERR_UNKNOWN value is returned, then
- parsing is stopped immediately, and that value is returned from
- argp_parse(). For special (non-user-supplied) values of KEY, see the
- ARGP_KEY_ definitions below. */
- argp_parser_t parser;
- /* A string describing what other arguments are wanted by this program. It
- is only used by argp_usage to print the `Usage:' message. If it
- contains newlines, the strings separated by them are considered
- alternative usage patterns, and printed on separate lines (lines after
- the first are prefix by ` or: ' instead of `Usage:'). */
- __const char *args_doc;
- /* If non-NULL, a string containing extra text to be printed before and
- after the options in a long help message (separated by a vertical tab
- `v' character). */
- __const char *doc;
- /* A vector of argp_children structures, terminated by a member with a 0
- argp field, pointing to child argps should be parsed with this one. Any
- conflicts are resolved in favor of this argp, or early argps in the
- CHILDREN list. This field is useful if you use libraries that supply
- their own argp structure, which you want to use in conjunction with your
- own. */
- __const struct argp_child *children;
- /* If non-zero, this should be a function to filter the output of help
- messages. KEY is either a key from an option, in which case TEXT is
- that option's help text, or a special key from the ARGP_KEY_HELP_
- defines, below, describing which other help text TEXT is. The function
- should return either TEXT, if it should be used as-is, a replacement
- string, which should be malloced, and will be freed by argp, or NULL,
- meaning `print nothing'. The value for TEXT is *after* any translation
- has been done, so if any of the replacement text also needs translation,
- that should be done by the filter function. INPUT is either the input
- supplied to argp_parse, or NULL, if argp_help was called directly. */
- char *(*help_filter) (int __key, __const char *__text, void *__input);
- /* If non-zero the strings used in the argp library are translated using
- the domain described by this string. Otherwise the currently installed
- default domain is used. */
- const char *argp_domain;
- };
- /* Possible KEY arguments to a help filter function. */
- #define ARGP_KEY_HELP_PRE_DOC 0x2000001 /* Help text preceeding options. */
- #define ARGP_KEY_HELP_POST_DOC 0x2000002 /* Help text following options. */
- #define ARGP_KEY_HELP_HEADER 0x2000003 /* Option header string. */
- #define ARGP_KEY_HELP_EXTRA 0x2000004 /* After all other documentation;
- TEXT is NULL for this key. */
- /* Explanatory note emitted when duplicate option arguments have been
- suppressed. */
- #define ARGP_KEY_HELP_DUP_ARGS_NOTE 0x2000005
- #define ARGP_KEY_HELP_ARGS_DOC 0x2000006 /* Argument doc string. */
- /* When an argp has a non-zero CHILDREN field, it should point to a vector of
- argp_child structures, each of which describes a subsidiary argp. */
- struct argp_child
- {
- /* The child parser. */
- __const struct argp *argp;
- /* Flags for this child. */
- int flags;
- /* If non-zero, an optional header to be printed in help output before the
- child options. As a side-effect, a non-zero value forces the child
- options to be grouped together; to achieve this effect without actually
- printing a header string, use a value of "". */
- __const char *header;
- /* Where to group the child options relative to the other (`consolidated')
- options in the parent argp; the values are the same as the GROUP field
- in argp_option structs, but all child-groupings follow parent options at
- a particular group level. If both this field and HEADER are zero, then
- they aren't grouped at all, but rather merged with the parent options
- (merging the child's grouping levels with the parents). */
- int group;
- };
- /* Parsing state. This is provided to parsing functions called by argp,
- which may examine and, as noted, modify fields. */
- struct argp_state
- {
- /* The top level ARGP being parsed. */
- __const struct argp *root_argp;
- /* The argument vector being parsed. May be modified. */
- int argc;
- char **argv;
- /* The index in ARGV of the next arg that to be parsed. May be modified. */
- int next;
- /* The flags supplied to argp_parse. May be modified. */
- unsigned flags;
- /* While calling a parsing function with a key of ARGP_KEY_ARG, this is the
- number of the current arg, starting at zero, and incremented after each
- such call returns. At all other times, this is the number of such
- arguments that have been processed. */
- unsigned arg_num;
- /* If non-zero, the index in ARGV of the first argument following a special
- `--' argument (which prevents anything following being interpreted as an
- option). Only set once argument parsing has proceeded past this point. */
- int quoted;
- /* An arbitrary pointer passed in from the user. */
- void *input;
- /* Values to pass to child parsers. This vector will be the same length as
- the number of children for the current parser. */
- void **child_inputs;
- /* For the parser's use. Initialized to 0. */
- void *hook;
- /* The name used when printing messages. This is initialized to ARGV[0],
- or PROGRAM_INVOCATION_NAME if that is unavailable. */
- char *name;
- /* Streams used when argp prints something. */
- FILE *err_stream; /* For errors; initialized to stderr. */
- FILE *out_stream; /* For information; initialized to stdout. */
- void *pstate; /* Private, for use by argp. */
- };
- /* Flags for argp_parse (note that the defaults are those that are
- convenient for program command line parsing): */
- /* Don't ignore the first element of ARGV. Normally (and always unless
- ARGP_NO_ERRS is set) the first element of the argument vector is
- skipped for option parsing purposes, as it corresponds to the program name
- in a command line. */
- #define ARGP_PARSE_ARGV0 0x01
- /* Don't print error messages for unknown options to stderr; unless this flag
- is set, ARGP_PARSE_ARGV0 is ignored, as ARGV[0] is used as the program
- name in the error messages. This flag implies ARGP_NO_EXIT (on the
- assumption that silent exiting upon errors is bad behaviour). */
- #define ARGP_NO_ERRS 0x02
- /* Don't parse any non-option args. Normally non-option args are parsed by
- calling the parse functions with a key of ARGP_KEY_ARG, and the actual arg
- as the value. Since it's impossible to know which parse function wants to
- handle it, each one is called in turn, until one returns 0 or an error
- other than ARGP_ERR_UNKNOWN; if an argument is handled by no one, the
- argp_parse returns prematurely (but with a return value of 0). If all
- args have been parsed without error, all parsing functions are called one
- last time with a key of ARGP_KEY_END. This flag needn't normally be set,
- as the normal behavior is to stop parsing as soon as some argument can't
- be handled. */
- #define ARGP_NO_ARGS 0x04
- /* Parse options and arguments in the same order they occur on the command
- line -- normally they're rearranged so that all options come first. */
- #define ARGP_IN_ORDER 0x08
- /* Don't provide the standard long option --help, which causes usage and
- option help information to be output to stdout, and exit (0) called. */
- #define ARGP_NO_HELP 0x10
- /* Don't exit on errors (they may still result in error messages). */
- #define ARGP_NO_EXIT 0x20
- /* Use the gnu getopt `long-only' rules for parsing arguments. */
- #define ARGP_LONG_ONLY 0x40
- /* Turns off any message-printing/exiting options. */
- #define ARGP_SILENT (ARGP_NO_EXIT | ARGP_NO_ERRS | ARGP_NO_HELP)
- /* Parse the options strings in ARGC & ARGV according to the options in ARGP.
- FLAGS is one of the ARGP_ flags above. If ARG_INDEX is non-NULL, the
- index in ARGV of the first unparsed option is returned in it. If an
- unknown option is present, ARGP_ERR_UNKNOWN is returned; if some parser
- routine returned a non-zero value, it is returned; otherwise 0 is
- returned. This function may also call exit unless the ARGP_NO_HELP flag
- is set. INPUT is a pointer to a value to be passed in to the parser. */
- extern error_t argp_parse (__const struct argp *__restrict __argp,
- int __argc, char **__restrict __argv,
- unsigned __flags, int *__restrict __arg_index,
- void *__restrict __input);
- extern error_t __argp_parse (__const struct argp *__restrict __argp,
- int __argc, char **__restrict __argv,
- unsigned __flags, int *__restrict __arg_index,
- void *__restrict __input);
- /* Global variables. */
- /* If defined or set by the user program to a non-zero value, then a default
- option --version is added (unless the ARGP_NO_HELP flag is used), which
- will print this string followed by a newline and exit (unless the
- ARGP_NO_EXIT flag is used). Overridden by ARGP_PROGRAM_VERSION_HOOK. */
- extern __const char *argp_program_version;
- /* If defined or set by the user program to a non-zero value, then a default
- option --version is added (unless the ARGP_NO_HELP flag is used), which
- calls this function with a stream to print the version to and a pointer to
- the current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
- used). This variable takes precedent over ARGP_PROGRAM_VERSION. */
- extern void (*argp_program_version_hook) (FILE *__restrict __stream,
- struct argp_state *__restrict
- __state);
- /* If defined or set by the user program, it should point to string that is
- the bug-reporting address for the program. It will be printed by
- argp_help if the ARGP_HELP_BUG_ADDR flag is set (as it is by various
- standard help messages), embedded in a sentence that says something like
- `Report bugs to ADDR.'. */
- extern __const char *argp_program_bug_address;
- /* The exit status that argp will use when exiting due to a parsing error.
- If not defined or set by the user program, this defaults to EX_USAGE from
- <sysexits.h>. */
- extern error_t argp_err_exit_status;
- /* Flags for argp_help. */
- #define ARGP_HELP_USAGE 0x01 /* a Usage: message. */
- #define ARGP_HELP_SHORT_USAGE 0x02 /* " but don't actually print options. */
- #define ARGP_HELP_SEE 0x04 /* a `Try ... for more help' message. */
- #define ARGP_HELP_LONG 0x08 /* a long help message. */
- #define ARGP_HELP_PRE_DOC 0x10 /* doc string preceding long help. */
- #define ARGP_HELP_POST_DOC 0x20 /* doc string following long help. */
- #define ARGP_HELP_DOC (ARGP_HELP_PRE_DOC | ARGP_HELP_POST_DOC)
- #define ARGP_HELP_BUG_ADDR 0x40 /* bug report address */
- #define ARGP_HELP_LONG_ONLY 0x80 /* modify output appropriately to
- reflect ARGP_LONG_ONLY mode. */
- /* These ARGP_HELP flags are only understood by argp_state_help. */
- #define ARGP_HELP_EXIT_ERR 0x100 /* Call exit(1) instead of returning. */
- #define ARGP_HELP_EXIT_OK 0x200 /* Call exit(0) instead of returning. */
- /* The standard thing to do after a program command line parsing error, if an
- error message has already been printed. */
- #define ARGP_HELP_STD_ERR
- (ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR)
- /* The standard thing to do after a program command line parsing error, if no
- more specific error message has been printed. */
- #define ARGP_HELP_STD_USAGE
- (ARGP_HELP_SHORT_USAGE | ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR)
- /* The standard thing to do in response to a --help option. */
- #define ARGP_HELP_STD_HELP
- (ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG | ARGP_HELP_EXIT_OK
- | ARGP_HELP_DOC | ARGP_HELP_BUG_ADDR)
- /* Output a usage message for ARGP to STREAM. FLAGS are from the set
- ARGP_HELP_*. */
- extern void argp_help (__const struct argp *__restrict __argp,
- FILE *__restrict __stream,
- unsigned __flags, char *__restrict __name);
- extern void __argp_help (__const struct argp *__restrict __argp,
- FILE *__restrict __stream, unsigned __flags,
- char *__name);
- /* The following routines are intended to be called from within an argp
- parsing routine (thus taking an argp_state structure as the first
- argument). They may or may not print an error message and exit, depending
- on the flags in STATE -- in any case, the caller should be prepared for
- them *not* to exit, and should return an appropiate error after calling
- them. [argp_usage & argp_error should probably be called argp_state_...,
- but they're used often enough that they should be short] */
- /* Output, if appropriate, a usage message for STATE to STREAM. FLAGS are
- from the set ARGP_HELP_*. */
- extern void argp_state_help (__const struct argp_state *__restrict __state,
- FILE *__restrict __stream,
- unsigned int __flags);
- extern void __argp_state_help (__const struct argp_state *__restrict __state,
- FILE *__restrict __stream,
- unsigned int __flags);
- /* Possibly output the standard usage message for ARGP to stderr and exit. */
- extern void argp_usage (__const struct argp_state *__state);
- extern void __argp_usage (__const struct argp_state *__state);
- /* If appropriate, print the printf string FMT and following args, preceded
- by the program name and `:', to stderr, and followed by a `Try ... --help'
- message, then exit (1). */
- extern void argp_error (__const struct argp_state *__restrict __state,
- __const char *__restrict __fmt, ...)
- __attribute__ ((__format__ (__printf__, 2, 3)));
- extern void __argp_error (__const struct argp_state *__restrict __state,
- __const char *__restrict __fmt, ...)
- __attribute__ ((__format__ (__printf__, 2, 3)));
- /* Similar to the standard gnu error-reporting function error(), but will
- respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print
- to STATE->err_stream. This is useful for argument parsing code that is
- shared between program startup (when exiting is desired) and runtime
- option parsing (when typically an error code is returned instead). The
- difference between this function and argp_error is that the latter is for
- *parsing errors*, and the former is for other problems that occur during
- parsing but don't reflect a (syntactic) problem with the input. */
- extern void argp_failure (__const struct argp_state *__restrict __state,
- int __status, int __errnum,
- __const char *__restrict __fmt, ...)
- __attribute__ ((__format__ (__printf__, 4, 5)));
- extern void __argp_failure (__const struct argp_state *__restrict __state,
- int __status, int __errnum,
- __const char *__restrict __fmt, ...)
- __attribute__ ((__format__ (__printf__, 4, 5)));
- /* Returns true if the option OPT is a valid short option. */
- extern int _option_is_short (__const struct argp_option *__opt) __THROW;
- extern int __option_is_short (__const struct argp_option *__opt) __THROW;
- /* Returns true if the option OPT is in fact the last (unused) entry in an
- options array. */
- extern int _option_is_end (__const struct argp_option *__opt) __THROW;
- extern int __option_is_end (__const struct argp_option *__opt) __THROW;
- /* Return the input field for ARGP in the parser corresponding to STATE; used
- by the help routines. */
- extern void *_argp_input (__const struct argp *__restrict __argp,
- __const struct argp_state *__restrict __state)
- __THROW;
- extern void *__argp_input (__const struct argp *__restrict __argp,
- __const struct argp_state *__restrict __state)
- __THROW;
- #ifdef __USE_EXTERN_INLINES
- # if !_LIBC
- # define __argp_usage argp_usage
- # define __argp_state_help argp_state_help
- # define __option_is_short _option_is_short
- # define __option_is_end _option_is_end
- # endif
- # ifndef ARGP_EI
- # define ARGP_EI extern __inline__
- # endif
- ARGP_EI void
- __NTH (__argp_usage (__const struct argp_state *__state))
- {
- __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
- }
- ARGP_EI int
- __NTH (__option_is_short (__const struct argp_option *__opt))
- {
- if (__opt->flags & OPTION_DOC)
- return 0;
- else
- {
- int __key = __opt->key;
- return __key > 0 && isprint (__key);
- }
- }
- ARGP_EI int
- __NTH (__option_is_end (__const struct argp_option *__opt))
- {
- return !__opt->key && !__opt->name && !__opt->doc && !__opt->group;
- }
- # if !_LIBC
- # undef __argp_usage
- # undef __argp_state_help
- # undef __option_is_short
- # undef __option_is_end
- # endif
- #endif /* Use extern inlines. */
- #ifdef __cplusplus
- }
- #endif
- #endif /* argp.h */