Explore topic-wise MCQs in Typedef.

This section includes 55 Mcqs, each offering curated multiple-choice questions to sharpen your Typedef knowledge and support exam preparation. Choose a topic below to get started.

51.

For the following expression to work, which option should be selected.
string p = HELLO ;
A. typedef char [] string;
B. typedef char * string;
C. Both (a) and (b)
D. Such expression cannot be generated in C
Answer» C. Both (a) and (b)
Discussion
52.

What will be the output of the following C code?

 #include  typedef struct student { char *a; }stu; void main() { stu s; s.a = "hi"; printf("%s", s.a); }s
A. Compile time error
B. Varies
C. hi
D. h
Answer» B. Varies
Discussion
53.

The keyword typedef cannot be used to give alias names to pointers.
A. True
B. False
Answer» C.
Discussion
54.

typedef in C basically works as an alias. Which of the following is correct for typedef ?
A. typedef can be used to alias compound data types such as struct and union.
B. typedef can be used to alias both compound data types and pointer to these compound types.
C. typedef can be used to alias a function pointer.
D. All of the above.
Answer» E.
Discussion
55.

In a C program, following variables are defined:

float x = 2.17;

double y = 2.17;

long double z = 2.17;

Which of the following is correct way for printing these variables via printf.
A. printf("%f %lf %Lf",x,y,z);
B. printf( %f %f %f ,x,y,z);
C. printf("%f ? ?f",x,y,z);
D. printf("%f %lf %llf",x,y,z);
Answer» B. printf( %f %f %f ,x,y,z);
Discussion