Question 2: Struct and Union What is the size of the following data structures i

Question

Question 2: Struct and Union

What is the size of the following data structures in bytes.

a) Size of point3D                         (2 pts)

struct point3D {

signed short x;     

unsigned int y;     

char *z;       

};

b) Size of val                           (2 pts)

union val {

long long llval;    

char str;

short ival[2];      

float fval;    

double dval;   

};

c) Size of compound                         (2 pts)

struct compound {

     char mystring;

     long *y;       

     union {

     char *c;       

     short i;       

     char f;       

} u;

};

d) Size of more_compound                         (2 pts)

struct more_compound {

     char name;

     int *age;

     short pay;

     long height;

union {

     char short_id;     

     short normal_id;          

     char my_id;        

} id;

     union {

     char *text_data;          

     int *numeric_data;       

     long *l_numeric_data;     

} data;

};

Explanation / Answer

Size of point3D :12 bytes
Size of val :8 bytes
Size of compound :12 bytes
Size of more_compound :24 bytes

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