conf_lineno++;
                sym = NULL;
                if (line[0] == '#') {
-                       if (memcmp(line + 2, "CONFIG_", 7))
+                       if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
                                continue;
-                       p = strchr(line + 9, ' ');
+                       p = strchr(line + 2 + strlen(CONFIG_), ' ');
                        if (!p)
                                continue;
                        *p++ = 0;
                        if (strncmp(p, "is not set", 10))
                                continue;
                        if (def == S_DEF_USER) {
-                               sym = sym_find(line + 9);
+                               sym = sym_find(line + 2 + strlen(CONFIG_));
                                if (!sym) {
                                        sym_add_change_count(1);
                                        break;
                                }
                        } else {
-                               sym = sym_lookup(line + 9, 0);
+                               sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
                                if (sym->type == S_UNKNOWN)
                                        sym->type = S_BOOLEAN;
                        }
                        default:
                                ;
                        }
-               } else if (memcmp(line, "CONFIG_", 7) == 0) {
-                       p = strchr(line + 7, '=');
+               } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
+                       p = strchr(line + strlen(CONFIG_), '=');
                        if (!p)
                                continue;
                        *p++ = 0;
                                        *p2 = 0;
                        }
                        if (def == S_DEF_USER) {
-                               sym = sym_find(line + 7);
+                               sym = sym_find(line + strlen(CONFIG_));
                                if (!sym) {
                                        sym_add_change_count(1);
                                        break;
                                }
                        } else {
-                               sym = sym_lookup(line + 7, 0);
+                               sym = sym_lookup(line + strlen(CONFIG_), 0);
                                if (sym->type == S_UNKNOWN)
                                        sym->type = S_OTHER;
                        }
 {
        int l;
        if (headerfile)
-               fprintf(out, "#define CONFIG_%s \"", name);
+               fprintf(out, "#define %s%s \"", CONFIG_, name);
        else
-               fprintf(out, "CONFIG_%s=\"", name);
+               fprintf(out, "%s%s=\"", CONFIG_, name);
 
        while (1) {
                l = strcspn(str, "\"\\");
                switch (sym_get_tristate_value(sym)) {
                case no:
                        if (write_no)
-                               fprintf(out, "# CONFIG_%s is not set\n", sym->name);
+                               fprintf(out, "# %s%s is not set\n",
+                                   CONFIG_, sym->name);
                        break;
                case mod:
-                       fprintf(out, "CONFIG_%s=m\n", sym->name);
+                       fprintf(out, "%s%s=m\n", CONFIG_, sym->name);
                        break;
                case yes:
-                       fprintf(out, "CONFIG_%s=y\n", sym->name);
+                       fprintf(out, "%s%s=y\n", CONFIG_, sym->name);
                        break;
                }
                break;
        case S_HEX:
        case S_INT:
                str = sym_get_string_value(sym);
-               fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
+               fprintf(out, "%s%s=%s\n", CONFIG_, sym->name, str);
                break;
        case S_OTHER:
        case S_UNKNOWN:
                        case no:
                                break;
                        case mod:
-                               fprintf(tristate, "CONFIG_%s=M\n", sym->name);
-                               fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
+                               fprintf(tristate, "%s%s=M\n",
+                                   CONFIG_, sym->name);
+                               fprintf(out_h, "#define %s%s_MODULE 1\n",
+                                   CONFIG_, sym->name);
                                break;
                        case yes:
                                if (sym->type == S_TRISTATE)
-                                       fprintf(tristate, "CONFIG_%s=Y\n",
-                                                       sym->name);
-                               fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
+                                       fprintf(tristate,"%s%s=Y\n",
+                                           CONFIG_, sym->name);
+                               fprintf(out_h, "#define %s%s 1\n",
+                                   CONFIG_, sym->name);
                                break;
                        }
                        break;
                case S_HEX:
                        str = sym_get_string_value(sym);
                        if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
-                               fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
+                               fprintf(out_h, "#define %s%s 0x%s\n",
+                                   CONFIG_, sym->name, str);
                                break;
                        }
                case S_INT:
                        str = sym_get_string_value(sym);
-                       fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
+                       fprintf(out_h, "#define %s%s %s\n",
+                           CONFIG_, sym->name, str);
                        break;
                default:
                        break;
 
 again:
        dres = dialog_inputbox(main_window,
                        _("Search Configuration Parameter"),
-                       _("Enter CONFIG_ (sub)string to search for "
-                               "(with or without \"CONFIG\")"),
+                       _("Enter " CONFIG_ " (sub)string to search for "
+                               "(with or without \"" CONFIG_ "\")"),
                        "", dialog_input_result, 99);
        switch (dres) {
        case 0:
                return;
        }
 
-       /* strip CONFIG_ if necessary */
+       /* strip the prefix if necessary */
        dialog_input = dialog_input_result;
-       if (strncasecmp(dialog_input_result, "CONFIG_", 7) == 0)
-               dialog_input += 7;
+       if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+               dialog_input += strlen(CONFIG_);
 
        sym_arr = sym_re_search(dialog_input);
        res = get_relations_str(sym_arr);
 
        if (menu && menu->sym && menu_has_help(menu)) {
                if (menu->sym->name) {
-                       str_printf(&help, "CONFIG_%s:\n\n", menu->sym->name);
+                       str_printf(&help, "%s%s:\n\n", CONFIG_, menu->sym->name);
                        str_append(&help, _(menu_get_help(menu)));
                        str_append(&help, "\n");
                        get_symbol_str(&help, menu->sym);