At the moment, many of the popular programming languages have this feature ... int b = 10; int c = sum(a, b);. This calls the sum function with a and b as parameters to calculate their total.

The C language allows you to provide a pointer to a function, just like a pointer to a variable. In both cases, a C pointer contains the address and the type information about the entity being pointed ...

Functions are fundamental to code organization; they exist in all higher order programming languages. Generally, functional programming means using functions to the best effect for creating clean ...