Pointers Pointer are a fundamental part of C. If you cannot use pointers properly then you have basically lost all the power and flexibility that C allows. The secret to C is in its use of pointers. What is a Pointer? A pointer is a variable which contains the address in memory of another variable. [...]

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In a C source program, the basic element recognized by the compiler is the “token.” A token is source-program text that the compiler does not break down into component elements. Syntax token: keyword identifier constant string-literal operator punctuator

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In this section, we will discuss about files which are very important for large-scale data processing. Data are stored in data files and programs are stored in program files. What is a File? Abstractly, a file is a collection of bytes stored on a secondary storage device, which is generally a disk of some kind. [...]

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Procedures and Functions A function is a section of code that has some separate functionality or does something that will be done over and over again. As a basic example, you are writing code to print out the first 5 squares of numbers, then the first 5 cubes, then the next 5 squares again. We [...]

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