This command adds the “From” packet
to the “Destination” packet. The entire from packet, up to
its used size is added, and the data is added at the position indicated
by Destination’s cursor position.
The destination packet’s memory size is increased as necessary.
long long int Destination: The packet to add From to.
long long int From: The packet to add to Destination.
0 if no error occurred.
-1 if an error occurred.
C++
DBP
.Net