October 2018
Intermediate to advanced
320 pages
6h 20m
German
Content preview from C - Das Übungsbuch
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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.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.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.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.
Kapitel 3
Verwendung von Funktionen
In diesem Kapitel werden Sie vordefinierte Funktionen einsetzen, die die Standardbibliothek oder eine andere Bibliothek zur Verfügung stellen.
■ Funktionen deklarierenBevor eine Funktion aufgerufen werden kann, muss sie deklariert werden. Die Deklaration liefert dem Compiler Informationen über die Aufrufschnittstelle, d.h. über den Typ jedes Parameters und den Typ des Return-Wertes. Man nennt dies auch den Prototyp der Funktion. Beispielsweise besitzt die Standardfunktion sqrt(), die die Wurzel einer Zahl berechnet, folgenden Prototyp:
Die Funktion sqrt() hat also einen Parameter vom Typ double und gibt einen ...
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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.
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.
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.
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.