A special word reserved by a programming language or by a program. You are not permitted to utilize held words as variable names. For instance, in BASIC and COBOL, the word IF is reserved on the grounds that it has an uncommon significance.
The words that are part of the slandered C language library are called reserved words. Those reserved words have special meaning and it is not possible to use them for any activity other than its intended functionality.
The words that are a piece of the criticized C language library are called reserved words. Those reserved words have special importance and it is beyond the realm of imagination to expect to utilize them for any action other than its proposed usefulness.
Example: – void, return, int