return PREF_NOT_INITIALIZED;
return NS_ERROR_NOT_INITIALIZED;
PREF_DeleteBranch(const char *branch_name){    int len = (int)PL_strlen(branch_name);    if (!gHashTable.ops)        return PREF_NOT_INITIALIZED;    /* The following check insures that if the branch name already has a "."     * at the end, we don't end up with a "..". This fixes an incompatibility     * between nsIPref, which needs the period added, and nsIPrefBranch which     * does not. When nsIPref goes away this function should be fixed to      * never add the period at all.     */    nsCAutoString branch_dot(branch_name);    if ((len > 1) && branch_name[len - 1] != '.')        branch_dot += '.';    PL_DHashTableEnumerate(&gHashTable, pref_DeleteItem,                           (void*) branch_dot.get());    gDirty = PR_TRUE;    return PREF_NOERROR;}