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Write a C Program to Find the Size of a variable?




Write a C Program to Find the Size of a variable?

#include <stdio.h>

int main()

{

int integerType;

float floatType;

double doubleType;

char charType;

/* Sizeof operator is used to evaluate the size of a variable */

printf("Size of Integer: %ld bytes\n",

sizeof(integerType));

printf("Size of Float: %ld bytes\n",

sizeof(floatType));

printf("Size of Double: %ld bytes\n",

sizeof(doubleType));

printf("Size of Char: %ld byte\n",

sizeof(charType));

return 0;

}


Output:

Size of Integer: 4 bytes

Size of Float: 4 bytes

Size of Double: 8 bytes

Size of Char: 1 byte


Explanation:

In this program, there are 4 types of variables: integerType, floatType, doubleType, and charType which are declared having int, float, double and char type respectively.

Then, the size of each variable is ascertained using the sizeof operator.


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