sizeof operator takes a variable name or data type as an argument and returns the number of bytes required to store the data in memory. - C Data Type

C examples for Data Type:sizeof

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Description

sizeof operator takes a variable name or data type as an argument and returns the number of bytes required to store the data in memory.

Demo Code

#include <stdio.h> 
int main()/*from w  w w.  j av a  2  s  .  co  m*/
{ 
   int x; 
   float f; 
   double d; 
   char c; 
   typedef struct employee { 
     int id; 
     char *name; 
     float salary; 
   } e; 
   printf("\nSize of integer: %d bytes\n", sizeof(x)); 
   printf("Size of float: %d bytes\n", sizeof(f)); 
   printf("Size of double %d bytes\n", sizeof(d)); 
   printf("Size of char %d byte\n", sizeof(c)); 
   printf("Size of employee structure: %d bytes\n", sizeof(e)); 
}

Result


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