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Pointers play a major role in C Programming. Writing code with pointers is more error-prone than code without pointers. Understanding pointers is a bit difficult. The simple thing about a pointer is, a pointer is a variable that holds an address like variables holds a value. That means pointers will not store any values rather […]
We can create arrays in different ways in C. We already discussed creating non-dynamic arrays in C in our earlier article “C Programming – An introduction to Arrays“; I recommend you to read it before reading this article. Through this article, we are going to discuss how to create arrays dynamically in C. Create arrays dynamically […]
Sometimes we may need to convert a string to either lowercase or uppercase depending on the program requirement. We have a set of functions in C Library to convert a string to either lowercase or uppercase. Note that, these functions are not standard library functions, and you may or may not see these functions in […]
As we discussed in, Understanding of Pointers in C, pointers are address holders. Pointers point to an address of a variable, or a function or even it can point to another pointer. Through this article, we are going to discuss Pointer to Pointer concepts in C. A pointer to pointer points to an address of […]
C library has string functions to compare whether the given strings are identical or not. strcmp library function This function takes two arguments, both are strings. Compare the strings and return 0 if the strings are identical; otherwise, this function returns a non-zero value. What is the meaning of non-zero value? When the first string […]
Pointers are address holders, points to something. Each variable or function in the C language has an address. When a variable is defined, it occupies some memory, in the process memory space. When we assign a value to the variable, the value will be stored in the address of the variable. Through this article, we […]
In our previous articles, we have discussed linking OpenGL-related files to the Project and preparing the MFC Dialog to display the OpenGL graphics. You must read the below articles before you continue reading this article. OpenGL – How to draw on MFC dialog? – Linking opengl32.lib OpenGL – How to draw on MFC dialog? – […]
Through the series of Articles, we are learning how to draw on MFC dialog using OpenGL. In our previous article “OpenGL – How to draw on MFC dialog? – Linking opengl32.lib“, we learned how to link opengl32.lib to our Project. We have executed the Project and no drawing was shown on the MFC dialog; this […]
OpenGL is used to render 2D and 3D vector graphics. We have briefly discussed OpenGL in our previous article “OpenGL – Open Graphics Library – An introduction“. OpenGL is a cross-platform API; that means, it has generic functions which are NOT specific to any particular platform, which enables it to run on any platform. So, […]
OpenGL (Open Graphics Library) is an industry standard API used to render 2D and 3D Vector graphics. It is so popular because, it is a portable, cross-language and cross-platform Application Programming Interface written in C language. OpenGL was initially developed by SGI (Silicon Graphics Inc.,) and released to the market in the year 1992. This […]
