C Programmers often requires obtaining a duplicate string from an original one. This can be achieved by knowing the length of the string and then allocating the buffer for the string and …

Circular/Ring Buffer What is a Ring/Circular buffer? How to implement in C? Strings and string checking What is the difference between char str [] = 'Hello World';and char *str='Hello …

Circular linked list Circular linked list is one whose tail pointer again points to the head. When there is only one node i.e. the head, it points to itself. This list has an advantage of finding the …

Definition of Doubly Circular Linked list, description, node data structure, advantages, disadvantages, example source code and program output, practical applications.

Client passes the address of a pointer. COM server allocates the buffer and fills the return values. It then writes the address value to the parameter which client has provided. Now client can …

Instead it reads the string buffer from the file and the device driver returns the buffer from the corresponding devices. This mechanism is very useful when dealing with different types of …

In the statement scanf ('%s',str); where str is a char buffer, user gives 'How are you', then what str will contain after execution of scanf? If we give printf ("%s",str); it will print "How", i.e. str …

Name of printf and scanf Print function in C abbreviated to printf () and scan function abbreviated to scanf. Printf and scanf are most frequently used in any programs written with C language. …

How to use timer using Win32 API and MFC C++. How to use SetTimer, KillTimer APIs and WM_TIMER message event. Define Timer callback routine in application.

How can I open a file on drag-n-drop operation?Drag and Drop Win32 subsystem facilitates files and object transfer between two applications using drag and drop. Drag and drop is a mouse …