Note: this features require Glibc and is not POSIX

Symbols will be searched in the main program, followed by all shared libraries loaded at program startup, and then all shared libraries loaded by with the flag RTLD_GLOBAL.

If a_filename contains a slash ("/"), then it is interpreted as a (relative or absolute) pathname. Otherwise, the dynamic linker searches for the library as detailed in ld.so(8) manpage. If the library has dependencies on other shared libraries, then these are also automatically loaded by the dynamic linker using the same rules. This process may occur recursively, if those libraries in turn have dependencies, and so on. some_flags must contain one of the following two values: rtld_lazy: Perform lazy binding. Only resolve symbols as the code that references them is executed. If the symbol is never referenced, then it is never resolved. (Lazy binding is only performed for function references; references to variables are always immediately bound when the library is loaded.) rtld_now: all undefined symbols are immediatly resolved; if this cannot be done Current will be invalid. This behaviour is forced when the environment variable LD_BIND_NOW is set to a non-empty string. Zero of more of the following values may also be (logically) ORed in some_flags: rtld_global: The symbols defined by this library will be made available for symbol resolution of subsequently loaded libraries. rtld_local: This is the converse of rtld_global, and the default if neither flag is specified. Symbols defined in this library are not made available to resolve references in subsequently loaded libraries. rtld_nodelete: (since glibc 2.2) Do no unloa the library when Current is disposed. Consequently, the library's static variables are not reinitialized if the library is reloaded with new_dynamic_shared_object. This flag is not specified in POSIX.1-2001. rtld_deepbind: (since glibc 2.3.4) Place the lookup scope of the symbols in this library ahead of the global scope. This means that a self-contained library will use its own symbols in preference to global symbols with the same name contained in libraries that have already been loaded. This flag is not specified in POSIX.1-2001. External references in the library are resolved using the libraries in that library's dependency list and any other libraries previously opened with the RTLD_GLOBAL flag. If the executable was linked with the flag "-rdynamic" (or, synonymously, "--export-dynamic"), then the global symbols in the executable will also be used to resolve references in a dynamically loaded library. If the same library is loaded again with dlopen(), the same file handle is returned. The dl library maintains reference counts for library handles, so a dynamic library is not deallocated until dlclose() has been called on it as many times as dlopen() has succeeded on it. The _init() routine, if present, is only called once. But a subsequent call with RTLD_NOW may force symbol resolution for a library earlier loaded with RTLD_LAZY. Result will be Void in case of failure.

useful when dealing with code that uses long int variable: just insert th class and mark the type as 'like long'

useful when dealing with code that uses long int variable: just insert th class and mark the type as 'like long_unsigned'