[Main]
Name=ticalc_memory_used
Type=Function
Header=calc_int.h
Definition=int ticalc_memory_used (@TNode@ *tree);

[Parameters]
tree : a directory list
Returns : the memory used by variables in memory.

[Summary]
Returns how much memory is used by the variables in the tree.

[Description]
This function returns an approximate value. This value may differ from the real one.