Keywords are predefined reserved words in C that have special meanings and cannot be used as variable or constant names. Some common keywords include int, float, if, else, while, and return. Keywords are used to define variables and functions and control program flow. This document provides examples of how keywords like int and float declare variable types and return is used to exit a function. It also lists all the keywords allowed in the ANSI C standard.

1. What is
Keyword
In C Programming

2. In this video, we will learn about keywords
Keywords are predefined, reserved words used in c programming language that
have a special meaning. Keywords are part of the syntax .
These reserved words not be used as constants or variables or any
other identifier names.
int temparature;
Here, int is a keyword that indicates ' temparature ' is a variable of type integer.
Example

3. In this video, we will learn about keywords
As C is a case sensitive language, all keywords must be written in
lowercase. Here is a list of all keywords allowed in ANSI C.
int temparature;
float area;
Here, int and float is in lower case
.
Example

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

5. Keyword in program
#include <stdio.h>
int main()
{
float f=6.6;
printf(“ %fn”,f);
return 0;
}
Keywords in this
program
1. int
2. float
3. return

6. To know about Identifier
check another video
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