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What is function overloading in c language of computer?
There is no such thing as function overloading in C; that is a feature of C++. Function overloading allows us to provide two or more implementations of the same function. Typically, we use function overloading so that the same function can cater for different types. For instance, we might provide one implementation that is optimised to handle an integer argument while another is optimised to handle a real argument. We can also use function overloading to provide a common implementation of a function which can then be invoked by overloads that handle the low-level type conversions.
What happens if recursion function is declared inline?
An inline function replaces the call to the function by the body of the function, thus reducing the overhead of saving the context in stack. This is good for functions which are small in size and called occasionally. A recursive function calls an instance of itself and thus can be a deeply nested. Different compilers handle this differently. Some will inline it up to a certain depth and then call a non-inlined instance for further recursion; others will not inline the function at all and generate a normal function call.
How does a can crusher work?
Basically you have a frame with a handle and a press. You put the can on the ledge on the frame, then pull the handle down and the press flattens the can. There are different models of can crushers, including some with electric motors to do the crushing.
Which function is used to move file pointer from any position in file in c language?
FILE-level: ftell/fseek, fgetpos/fsetpos handle-level: lseek
What is callback function in c?
In computer programming, a callback is executable code that is passed as an argument to other code. It allows a lower-level software layer to call a function defined in a higher-level layer. Usually, the higher-level code starts by calling a function within the lower-level code passing to it a pointer or handle to another function. While the lower-level function executes, it may call the passed-in function any number of times to perform some subtask. In another scenario, the lower-level function registers the passed-in function as a handler that is to be called asynchronously by the lower-level at a later time in reaction to something. A callback can be used as a simpler alternative to polymorphism and generic programming, in that the exact behavior of a function can be dynamically determined by passing different (yet compatible) function pointers or handles to the lower-level function. This can be a very powerful technique for code reuse. Callback functions separate the caller from the callee, the caller doesn't care who the callee is For complete understanding we need to know about Function pointers in c. check the link below
