C programming objective type questions and answers. most important declaration in c language.

C is a procedural programming language. It was initially developed by Dennis Ritchie in the year 1972. It was mainly developed as a system programming language to write an operating system. The main features of C language include low-level access to memory, a simple set of keywords, and clean style, these features make C language suitable for system programmings like an operating system or compiler development.
Many later languages have borrowed syntax/features directly or indirectly from C language. Like syntax of Java, PHP, JavaScript, and many other languages are mainly based on C language. C++ is nearly a superset of C language (There are few programs that may compile in C, but not in C++).
what is declaration in c language ?
In programming, a declaration is a statement describing an identifier, such as the name of a variable or a function. ... For example, in the C programming language, all variables must be declared with a specific data type before they can be assigned a value.

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