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What is keyword in C explain with example?


Keywords are predefined, reserved words used in programming that have special meanings to the compiler. Keywords are part of the syntax and they cannot be used as an identifier. For example: int money; Here, int is a keyword that indicates money is a variable of type int (integer).

What is the volatile keyword in C++?

  • The volatile keyword is an implementation-dependent type qualifier, used when declaring variables, which prevents the compiler from optimizing those variables. Volatile should be used with variables whose value can change in unexpected ways (i.e. through an interrupt), which could conflict with optimizations that the compiler might perform.

Is there a grammar for C programming language?

  • A Grammar for the C- Programming Language (Version F16) September 20, 2016 1 Introduction. This is a grammar for the Fall 2016 semester’s C- programming language. This language is very similar to C and has a lot of features in common with a real-world structured programming language. There are also some real di erences between C and C-.

What are the output parameters of an expression in C?

  • Any C expression. For output parameters it must be an lvalue, that is, something that is legal to have on the left side of an assignment. register_save_list[["register_name"],...]