Sending the qty from AFL to auto system

AFL Programming
1

how do i send the Qty that is calculated dynamically in my AFL to another program which places the orders to the broker terminal.

For Ex: Buy signal is provided by the AFL which is captured by another program as in - buy = ExRem( buy, sell );

Kindly let me know how qty can be sent in a number format without decimals.

2

Formatting of numbers, see AFL function reference:
http://www.amibroker.com/f?strformat
http://www.amibroker.com/f?numtostr

So you can write

qty = 123;
string_with_no_decimals = StrFormat("%.0f", qty ); // 0 decimal places
string_with_no_decimals2 = NumToStr( qty, 1.0 ); // 0 decimal places
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