A procedure though similar to a function, does not return a value explicitly. The method of invocation of
a procedure is also different. The return of value—or the result of computation with reference to a procedure
is through its parameters.
Syntax diagram in a typical programming language (C) is given in Fig. 3.11.
Fig. 3.11 Syntax or Rail-road diagram in C
Both procedures and functions fall under the general category of sub-programs or sub-algorithms. A
subprogram is an independent component of a program and for this reason it is defi ned separately from the
main routine or program. The purpose of this sub-program is to perform ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.