A blocking and non-blocking client API (applicationprogramminginterface).
阻塞和非阻塞客户端api(应用程序编程接口)。
2
TripIt for iPhone was created using the TripIt API (ApplicationProgrammingInterface) that enables developers to build on TripIt's open itinerary platform.
This chapter concentrates on the dotted line in Figure 1 — the interface, or API (applicationProgramminginterface), between the parser and the application.