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Language Ccpp Cref Examples Sizeof.c

/ ****************************************************************************
 * Purpose: Find out the size of the different data types
 * Author:  M J Leslie
 * Date:    27-feb-94

#include <stdio.h>
					 * int/char   are 'type specifiers'
					 * short/long are 'type qualifiers'
  int i;

  printf("    short int is %2d bytes \n", sizeof(short int));
  printf("          int is %2d bytes \n", sizeof(int));
  printf("        int * is %2d bytes \n", sizeof(int *));
  printf("     long int is %2d bytes \n", sizeof(long int));
  printf("   long int * is %2d bytes \n", sizeof(long int *));
  printf("   signed int is %2d bytes \n", sizeof(signed int));
  printf(" unsigned int is %2d bytes \n", sizeof(unsigned int));
  printf("        float is %2d bytes \n", sizeof(float));
  printf("      float * is %2d bytes \n", sizeof(float *));
  printf("       double is %2d bytes \n", sizeof(double));
  printf("     double * is %2d bytes \n", sizeof(double *));
  printf("  long double is %2d bytes \n", sizeof(long double));
  printf("  signed char is %2d bytes \n", sizeof(signed char));
  printf("         char is %2d bytes \n", sizeof(char));
  printf("       char * is %2d bytes \n", sizeof(char *));
  printf("unsigned char is %2d bytes \n", sizeof(unsigned char));

 *	The O/P from this program is 
 *     short int is  2 bytes 
 *           int is  4 bytes 
 *         int * is  4 bytes 
 *      long int is  4 bytes 
 *    long int * is  4 bytes 
 *    signed int is  4 bytes 
 *  unsigned int is  4 bytes 
 *         float is  4 bytes 
 *       float * is  4 bytes 
 *        double is  8 bytes 
 *      double * is  4 bytes 
 *   long double is 12 bytes 
 *   signed char is  1 bytes 
 *          char is  1 bytes 
 *        char * is  4 bytes 
 * unsigned char is  1 bytes 

file: /Techref/language/ccpp/cref/EXAMPLES/sizeof.c, 2KB, , updated: 1997/4/21 09:52, local time: 2022/10/6 08:06,

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