According to [Scheiner,2004], OpenGL provides a set of very important commands for modeling and visualizing geometric objects. However, these commands are very primitive in the sense that they provide a…
Global variables are variables declared outside a function, unlike local variables which are declared inside a function. #include int a = 1; // GLOBAL VARIABLE void main() { int b…
There are three ways to reserve memory space for the storage of information: Use of global variables - the placeholder exists as long as the program is running. Use of…
Pointer is a C language feature that consists of: Pointing to or accessing memory addresses. Access variables that are not accessible in a function. Return one or more values in…