Social Sciences, asked by Aishwarya8607, 1 year ago

What is subroutine and explain open and closed subroutine?

Answers

Answered by smartyjay9
6

An open subroutine call is used to create a channel between the caller and a graphic input device driver. ... The fp_open subroutine call returns EACCES for all other graphic input devices. The close subroutine is used to remove a channel created by the open subroutine call.

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