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// This is a slow larval-stage kludge to help massage the generated man

// pages.  It's used like this:

const char* const usage =

"\nTakes on stdin, whitespace-separated words of the form\n"

"\n"

"    [bits/]stl_foo.h\n"

"    [bits/]std_foo.h\n"

"\n"

"and writes on stdout the nearest matching standard header name.\n"

"\n"

"Takes no command-line arguments.\n"

"\n";

#include <cstdlib>

#include <string>

#include <map>

#include <iostream>

typedef std::map<std::string, std::string>   Map;

Map  headers;

void init_map()

{

    // Enter the glamourous world of data entry!!  Maintain these!

    headers["algo.h"]                   = "algorithm";

    headers["algobase.h"]               = "algorithm";

    headers["algorithm.h"]              = "algorithm";

    headers["heap.h"]                   = "algorithm";

    headers["bitset.h"]                 = "bitset";

    headers["complex.h"]                = "complex";

    //headers["construct.h"]              stl_construct.h entirely internal

    headers["deque.h"]                  = "deque";

    headers["deque.tcc"]                = "deque";

    headers["fstream.h"]                = "fstream";

    headers["fstream.tcc"]              = "fstream";

    headers["function.h"]               = "functional";

    headers["functional.h"]             = "functional";

    headers["iomanip.h"]                = "iomanip";

    headers["basic_ios.h"]              = "ios";

    headers["basic_ios.tcc"]            = "ios";

    headers["ios.h"]                    = "ios";

    headers["iosfwd.h"]                 = "iosfwd";

    headers["iostream.h"]               = "iostream";

    headers["istream.h"]                = "istream";

    headers["istream.tcc"]              = "istream";

    headers["iterator.h"]               = "iterator";

    headers["iterator_base_funcs.h"]    = "iterator";

    headers["iterator_base_types.h"]    = "iterator";

    headers["stream_iterator.h"]        = "iterator";

    headers["streambuf_iterator.h"]     = "iterator";

    headers["limits.h"]                 = "limits";

    headers["list.h"]                   = "list";

    headers["list.tcc"]                 = "list";

    headers["codecvt.h"]                = "locale";

    headers["locale.h"]                 = "locale";

    headers["localefwd.h"]              = "locale";

    headers["locale_classes.h"]         = "locale";

    headers["locale_facets.h"]          = "locale";

    headers["locale_facets.tcc"]        = "locale";

    headers["map.h"]                    = "map";

    headers["multimap.h"]               = "map";

    headers["memory.h"]                 = "memory";

    headers["allocator.h"]              = "memory";

    headers["raw_storage_iter.h"]       = "memory";

    headers["tempbuf.h"]                = "memory";

    headers["uninitialized.h"]          = "memory";

    headers["numeric.h"]                = "numeric";

    headers["ostream.h"]                = "ostream";

    headers["ostream.tcc"]              = "ostream";

    headers["queue.h"]                  = "queue";

    headers["set.h"]                    = "set";

    headers["multiset.h"]               = "set";

    headers["sstream.h"]                = "sstream";

    headers["sstream.tcc"]              = "sstream";

    headers["stack.h"]                  = "stack";

    headers["functexcept.h"]            = "stdexcept";

    headers["stdexcept.h"]              = "stdexcept";

    headers["streambuf.h"]              = "streambuf";

    headers["streambuf.tcc"]            = "streambuf";

    headers["string.h"]                 = "string";

    headers["char_traits.h"]            = "string";

    headers["postypes.h"]               = "string";

    headers["basic_string.h"]           = "string";

    headers["basic_string.tcc"]         = "string";

    headers["tree.h"]                   = "backward/tree.h";

    headers["pair.h"]                   = "utility";

    headers["utility.h"]                = "utility";

    headers["relops.h"]                 = "utility";

    headers["gslice.h"]                 = "valarray";

    headers["gslice_array.h"]           = "valarray";

    headers["indirect_array.h"]         = "valarray";

    headers["mask_array.h"]             = "valarray";

    headers["slice_array.h"]            = "valarray";

    headers["valarray.h"]               = "valarray";

    headers["valarray_after.h"]         = "valarray";

    headers["valarray_before.h"]        = "valarray";

    headers["valarray_array.h"]         = "valarray";

    headers["valarray_array.tcc"]       = "valarray";

    headers["valarray_meta.h"]          = "valarray";

    headers["bvector.h"]                = "vector";

    headers["vector.h"]                 = "vector";

    headers["vector.tcc"]               = "vector";

    //headers["concurrence.h"]             who knows

    //headers["atomicity.h"]               who knows

    // C wrappers -- probably was an easier way to do these, but oh well

    headers["cassert.h"]                = "cassert";

    headers["cctype.h"]                 = "cctype";

    headers["cerrno.h"]                 = "cerrno";

    headers["cfloat.h"]                 = "cfloat";

    headers["climits.h"]                = "climits";

    headers["clocale.h"]                = "clocale";

    headers["cmath.h"]                  = "cmath";

    headers["csetjmp.h"]                = "csetjmp";

    headers["csignal.h"]                = "csignal";

    headers["cstdarg.h"]                = "cstdarg";

    headers["cstddef.h"]                = "cstddef";

    headers["cstdio.h"]                 = "cstdio";

    headers["cstdlib.h"]                = "cstdlib";

    headers["cstring.h"]                = "cstring";

    headers["ctime.h"]                  = "ctime";

    headers["cwchar.h"]                 = "cwchar";

    headers["cwctype.h"]                = "cwctype";

}

void do_word (std::string const& longheader)

{

    std::string::size_type start = 0;

    // if it doesn't contain a "." then it's already a std header

    if (longheader.find(".") == std::string::npos)

    {

        std::cout << longheader << '\n';

        return;

    }

    if (longheader.substr(start,5) == "bits/")  start += 5;

    if ((longheader.substr(start,4) == "stl_") ||

        (longheader.substr(start,4) == "std_"))

    {

        start += 4;

    }

    // come on, gdb, find `p' already...

    const char* p = longheader.substr(start).c_str();

    Map::iterator word = headers.find(p);

    if (word != headers.end())

        std::cout << word->second << '\n';

    else std::cout << "MAYBE_AN_ERROR_MESSAGE_HERE\n";

}

int main (int argc, char**)

{

    if (argc > 1)

    {

        std::cerr << usage;

        std::exit(0);

    }

    init_map();

    std::string w;

    while (std::cin >> w)

        do_word (w);

}