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C Language - Structures,Unions

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31.

What will be the output of the program ?

#include

struct course

{

int courseno;

char coursename[25];

};

int main()

{

struct course c[] = { {102, "Java"}, {103, "PHP"}, {104, "DotNet"} };

printf("%d ", c[1].courseno);

printf("%s\n", (*(c+2)).coursename);

return 0;

}

A.	103 DotNet	B.	102 Java
C.	103 PHP	D.	104 DotNet

32.

What would be the size of the following union declaration?

#include

union uTemp

{

double a;

int b[10];

char c;

}u;

(Assuming size of double = 8, size of int = 4, size of char = 1)

A.	4	B.	8
C.	40	D.	80

33.

What will be the output of the program given below in 16-bit platform ?

#include

int main()

{

enum value{VAL1=0, VAL2, VAL3, VAL4, VAL5} var;

printf("%d\n", sizeof(var));

return 0;

}

A.	1	B.	2
C.	4	D.	10

34.

What type of data is holded by variable u int this C code?

#include

union u_tag

{

int ival;

float fval;

char *sval;

} u;

The variable u here

A.	Will be large enough to hold the largest of the three types;	B.	Will be large enough to hold the smallest of the three types;
C.	Will be large enough to hold the all of the three types;	D.	None of the mentioned

35.

What will be the output of the program ?

#include

int main()

{

enum status {pass, fail, absent};

enum status stud1, stud2, stud3;

stud1 = pass;

stud2 = absent;

stud3 = fail;

printf("%d %d %d\n", stud1, stud2, stud3);

return 0;

}

A.	0, 1, 2	B.	1, 2, 3
C.	0, 2, 1	D.	1, 3, 2

36.

What is the output of this C code?

#include

struct

{

char *name;

union

{

char *sval;

} u;

} symtab[10];

the first character of the string sval by either of

A.	*symtab[i].u.sval	B.	symtab[i].u.sval[0]
C.	You cannot have union inside structure	D.	Both A & B

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