#include <stdio.h>

struct node{
    int data;
    struct node *next;
};

int main() {
     /******         32Bit   64Bit
        char            1       1        
        short           2       2        
        int             4       4        
        float           4       4        
        double          8       8        
        long            4       8        
        long long       8       8        
        long double     16      16       
        pointer         4       8        
        wchar_t         2       4       Other UNIX platforms usually have wchar_t 4 bytes for both 32-bit and 64-bit mode.
        size_t  4       8       This is an unsigned type.
        ptrdiff_t       4       8       This is a signed type.
*/
        
        printf("============== Size of datatypes ==========\n");
        printf("char %d bytes\n",sizeof(char));
        printf("char ptr %d bytes\n",sizeof(long *));
        printf("int %d bytes\n",sizeof(int));
        printf("short %d bytes\n",sizeof(short));
        printf("long %d bytes\n",sizeof(long));
        printf("double %d bytes\n",sizeof(double));
        printf("long long %d bytes\n",sizeof(long long));
        printf("unsigned int %d bytes\n",sizeof(unsigned int));
        
        //Use pragma to get unpacked value
        printf("struct node %d\n",sizeof(struct node));
        printf("struct node ptr %d\n",sizeof(struct node *));
        

    return 0;
}