Reserved Keywords In C Programming Language

Reserved Keywords in C

Keywords are pre-defined words in a C compiler. Each keyword is meant to perform a specific function in a C program.

Since keywords are referred as a name for compiler, they can’t be used as variable name because it has standard predefined specific meaning. Keywords should be written in lower case

In C programming around 32 words have been reserved as the keywords.

The meaning and working of these keywords are already known to the compiler and therefore, it can not be changed or modified.

32 Keywords in C Programming Language

Keyword Keyword Keyword Keyword
auto double int struct
break else long switch
case enum register typedef
char extern return union
const float short unsigned
continue for signed void
default goto sizeof volatile
do if static while

The basic instructions are built up using a reserved set of words, such as main, for, if, while, default, double, extern, for, and int, etc.,