Pawn rgb hex

#define while(%1,%2,%3) for(new %1=%2;%1!=%3;%1++)

stock rgbstr(str[])
{
    new st[9]="FF", hex, val, i
    strins(st, str, i, 6)
    while(st[i])
    {
        hex <<= 4
        val = st[i++] - '0'
        if(val > 0x09) val -= 0x07
        if(val > 0x0F) val -= 0x20
        if(val < 0x01) continue
        if(val < 0x10) hex += val
    }
    return hex
}