General library facilities Startup and shutdown, memory handling, version checks and misc functions. The functions in this section cover general library features such as startup and shutdown, checking the current library version and dealing with memory allocation and freeing. It also provides functions to enumerate and check the supported query languages, their names, labels and URI. @world: @Returns: @RASQAL_FEATURE_NO_NET: @RASQAL_FEATURE_LAST: @world: @name: @Returns: @world: @counter: @name: @label: @uri_string: @Returns: @size: @Returns: @nmemb: @size: @Returns: @ptr: @uri: @Returns: @feature: @Returns: @feature: @name: @uri: @label: @Returns: @Returns: When defined before a function, indicates that the function has been deprecated and may be replaced in a future release. With some versions of gcc this may give a compilation warning.