HTTP Tutorial. The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems.
This is the foundation for data communication for the World Wide Web (i.e. internet) since 1990. HTTP is a generic and stateless protocol which can be used for other purposes as well using extensions of its request methods, error codes, and headers. What is API - Application Program Interface? Webopedia. By Vangie Beal Application program interface (API) is a set of routines, protocols, and tools for building software applications.
An API specifies how software components should interact. Additionally, APIs are used when programming graphical user interface (GUI) components. ASF Source Code Documentation gethost by name. Socket resolve callback. ASF Source Code Documentation. Asynchronous sending function, used to send data on a TCP/UDP socket.
Called by the application code when there is outgoing data available required to be sent on a specific socket handler. The only difference between this function and the similar sendto function, is the type of socket the data is sent on and the parameters passed in. send function is most commonly called for sockets in a connected state. Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? What is API - Application Program Interface? Webopedia.