/*Scans the sym table and checks
each HTT_DEFINE_STR entry to see if
it only occurs once in files.

It's a brute force solution, but
gets the job done... slowly.

Find() returns a count of matches.

FileOcc() is Find() with
output Silent().
*/

U0 UnusedDefineScan()
{
    CDoc        *old_put_doc, *old_display_doc, *doc;
    I64          i, count = 0;
    CHashTable  *table;
    CHash       *tmph;
    CDocEntry   *doc_e, *doc_e2;
    Bool         old_silent = IsSilent;

    try
    {
        table = Fs->hash_table;
        while (table)
        {
            for (i = 0; i <= table->mask; i++)
            {
                tmph = table->body[i];
                while (tmph)
                {
                    if (tmph->type & HTT_DEFINE_STR)
                        count++;
                    tmph = tmph->next;
                }
            }
            table = table->next;
        }

        progress1 = 0;
        progress1_max = count;
        StrCopy(progress1_desc, "Define Scan");

        table = Fs->hash_table;
        while (table)
        {
            for (i = 0; i <= table->mask; i++)
            {
                tmph = table->body[i];
                while (tmph)
                {
                    if (tmph->type & HTT_DEFINE_STR)
                    {
                        progress1++;
                        if (FileOcc(tmph->str, "/*", "+l-i+$") == 1)
                        {
                            doc = DocNew;
                            old_put_doc = DocPut;
                            old_display_doc = DocDisplay;
                            Fs->put_doc = Fs->display_doc=doc;
                            Find(tmph->str, "/*", "+l-i+$");
                            Fs->put_doc = old_put_doc;
                            Fs->display_doc = old_display_doc;
                            doc_e = doc->head.next;
                            while (doc_e != doc)
                            {
                                if (doc_e->type_u8 == DOCT_LINK)
                                {
                                    "%s ", tmph->str;
                                    doc_e2 = DocEntryCopy(doc, doc_e);
                                    DocInsEntry(old_put_doc, doc_e2);
                                    '\n';
                                }
                                doc_e = doc_e->next;
                            }
                            DocDel(doc);
                        }
                    }
                    tmph = tmph->next;
                }
            }
            table = table->next;
        }
    }
    catch
        PutExcept;

    Silent(old_silent);
    '\n';
    ProgressBarsReset;
}

UnusedDefineScan;