This is a list of reserved keywords in C. Since they are used by the language, these keywords are not available for re-definition.

Order of evaluation of the operands of any C operator, including the order of evaluation of function arguments in a function-call expression, and the order of evaluation of

Functions Defined in header <stdlib.h>

Several operators convert operand values from one type to another automatically. This subclause specifies the result required from such an implicit conversion, as well as those

A function is a C language construct that associates a compound statement (the function body) with an

Functions Defined in header <stdlib.h>

Defined in header <stdlib.h>

Defines the semantics of computer memory storage for the purpose of the C abstract machine. The data storage (memory) available to a C program

Usage _Noreturn

Defined in header <math.h>