lower/up sumb

stock lowersymb(string[],result[])
{
    for (new i=0,j=0,len=strlen(string); i < len; i++)
    {
        switch (string[i])
        {
            case 'а'..'я','a'..'z':
            {
                result[j++] = string[i];
            }
        }
    }
}

stock upsymb(string[],result[])
{
    for (new i=0,j=0,len=strlen(string); i < len; i++)
    {
        switch (string[i])
        {
            case 'А'..'Я','A'..'Z':
            {
                result[j++] = string[i];
            }
        }
    }
}