Entry point computer programming (1 Ergebnisse)

Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Please note that the content of this book primarily consists of articlesavailable from Wikipedia or other free sources online. In computerprogramming, an entry point is a memory address, corresponding to apoint in the code of a computer program which is intended as destinationof a long jump, be it internal or external.In most of today's popularcomputer systems, such as Microsoft Windows and Unix, a computer programusually only has a single entry point. In C and C++ programs this is themain() function.Historically, and in some contemporary legacy systemssuch as VMS and OS/400, computer programs have a multitude of entrypoints, each corresponding to the different functionalities of theprogram. The usual way to denote entry points, as used system-wide inVMS and in PL/I and MACRO programs, is to append them at the end of thename of the executable image, delimited by a dollar sign ($) i.e.directory.exe$make. The Apple 1 computer also used this to some degree.…