C Identifiers

• differently.
• Here is some example are: firstname, FIRSTNAME, FirstName will be treated differently.
• But in general practice the lowercase and CamelCase letters can be used as a variable name, function name, array name and structure name, while UPPERCASE letters are used for symbolic constants.
• Programmer can use underscores  _  in between identifiers. e.g.) first_name.

Identifier C Program

identifier.c

#include <stdio.h>
int main()
{
int number = 25;
int Number = 47;
printf("The number is %d ",number);
printf("\nThe Number is %d ",Number);
return 0;
}