Services: filesystem network sound terminal text/graphical/window/3d video wintv/divx file Usually provided by dlls: HTTP FTP Sound file manupliation MP3 coding/decoding Services that need dynamically created interfaces: Filesystem Sound (Mixer) Sockets filesystem/ide - provides filesystem that is a representation of the partitions filesystem/ api/socket.h api/filesystem.h api/multimedia.h #include <api/multimedia.h> #include <api/socket.h> int main() { API_socket_t mySocket = API_newSocket("www.bla.com", 80, API_PROTOCOL_STREAM); API_send(mySocket, "GET / HTTP/1.1"); API_closeSocket(mySocket); }