{
    "content": [
        {
            "type": "text",
            "text": "# ifnames(1) (man)\n\n**Summary:** ifnames - Extract CPP conditionals from a set of files\n\n**Synopsis:** ifnames [OPTION]... [FILE]...\n\n## Flags\n\n| Flag | Long | Arg | Description |\n|------|------|-----|-------------|\n| -h | --help | — | print this help, then exit |\n| -V | --version | — | print version number, then exit |\n\n## See Also\n\n- autoconf(1)\n- automake(1)\n- autoreconf(1)\n- autoupdate(1)\n- autoheader(1)\n- autoscan(1)\n- fig.guess(1)\n- config.sub(1)\n- libtool(1)\n\n## Section Outline\n\n- **NAME** (2 lines)\n- **SYNOPSIS** (2 lines)\n- **DESCRIPTION** (5 lines) — 2 subsections\n  - -h --help (2 lines)\n  - -V --version (2 lines)\n- **AUTHOR** (2 lines)\n- **REPORTING BUGS** (4 lines)\n- **COPYRIGHT** (5 lines)\n- **SEE ALSO** (13 lines)\n\n## Full Content\n\n### NAME\n\nifnames - Extract CPP conditionals from a set of files\n\n### SYNOPSIS\n\nifnames [OPTION]... [FILE]...\n\n### DESCRIPTION\n\nScan  all  of  the C source FILES (or the standard input, if none are given) and write to the\nstandard output a sorted list of all the identifiers that appear in  those  files  in  '#if',\n'#elif',  '#ifdef',  or '#ifndef' directives.  Print each identifier on a line, followed by a\nspace-separated list of the files in which that identifier occurs.\n\n#### -h --help\n\nprint this help, then exit\n\n#### -V --version\n\nprint version number, then exit\n\n### AUTHOR\n\nWritten by David J. MacKenzie and Paul Eggert.\n\n### REPORTING BUGS\n\nReport bugs to <bug-autoconf@gnu.org>.\nGNU Autoconf home page: <https://www.gnu.org/software/autoconf/>.\nGeneral help using GNU software: <https://www.gnu.org/gethelp/>.\n\n### COPYRIGHT\n\nCopyright © 2021 Free Software Foundation, Inc.  License GPLv3+/Autoconf: GNU GPL  version  3\nor later <https://gnu.org/licenses/gpl.html>, <https://gnu.org/licenses/exceptions.html>\nThis  is free software: you are free to change and redistribute it.  There is NO WARRANTY, to\nthe extent permitted by law.\n\n### SEE ALSO\n\nautoconf(1), automake(1),  autoreconf(1),  autoupdate(1),  autoheader(1),  autoscan(1),  con‐‐\nfig.guess(1), config.sub(1), ifnames(1), libtool(1).\n\nThe  full  documentation  for ifnames is maintained as a Texinfo manual.  If the info and if‐‐\nnames programs are properly installed at your site, the command\n\ninfo ifnames\n\nshould give you access to the complete manual.\n\n\n\nGNU Autoconf 2.71                            August 2021                                  IFNAMES(1)\n\n"
        }
    ],
    "structuredContent": {
        "command": "ifnames",
        "section": "1",
        "mode": "man",
        "summary": "ifnames - Extract CPP conditionals from a set of files",
        "synopsis": "ifnames [OPTION]... [FILE]...",
        "flags": [
            {
                "flag": "-h",
                "long": "--help",
                "arg": null,
                "description": "print this help, then exit"
            },
            {
                "flag": "-V",
                "long": "--version",
                "arg": null,
                "description": "print version number, then exit"
            }
        ],
        "examples": [],
        "see_also": [
            {
                "name": "autoconf",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/autoconf/1/json"
            },
            {
                "name": "automake",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/automake/1/json"
            },
            {
                "name": "autoreconf",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/autoreconf/1/json"
            },
            {
                "name": "autoupdate",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/autoupdate/1/json"
            },
            {
                "name": "autoheader",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/autoheader/1/json"
            },
            {
                "name": "autoscan",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/autoscan/1/json"
            },
            {
                "name": "fig.guess",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/fig.guess/1/json"
            },
            {
                "name": "config.sub",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/config.sub/1/json"
            },
            {
                "name": "libtool",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/libtool/1/json"
            }
        ],
        "section_outline": [
            {
                "name": "NAME",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "SYNOPSIS",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "DESCRIPTION",
                "lines": 5,
                "subsections": [
                    {
                        "name": "-h --help",
                        "lines": 2,
                        "flag": "-h",
                        "long": "--help"
                    },
                    {
                        "name": "-V --version",
                        "lines": 2,
                        "flag": "-V",
                        "long": "--version"
                    }
                ]
            },
            {
                "name": "AUTHOR",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "REPORTING BUGS",
                "lines": 4,
                "subsections": []
            },
            {
                "name": "COPYRIGHT",
                "lines": 5,
                "subsections": []
            },
            {
                "name": "SEE ALSO",
                "lines": 13,
                "subsections": []
            }
        ]
    }
}