Liblouis User's and Programmer's Manual
7.27 lou_free ¶
void lou_free ();
This function should be called at the end of the application to free
all memory allocated by liblouis. Failure to do so will result in
memory leaks. Do NOT call lou_free
after each
translation. This will force liblouis to compile the translation
tables every time they are used, resulting in great inefficiency.