[Main]
Name=ticalc_check_if_app_exists
Type=Function
Header=calc_int.h
Definition=@TiVarEntry@ *ticalc_check_if_app_exists (@TNode@ *tree, char *varname);

[Parameters]
tree : a directory list
varname : the name of the variable to search for
Returns : the variable characteristics, NULL if not found.

[Summary]
Test if the variable is present in the directory list.

[Description]
If the variable can not be found, NULL is returned.
Else, the first occurence is returned.

[See also]
@ticalc_check_if_varf_exists@