C Functions Questions and Answers
C Functions Questions with Answers provide an in-depth look at one of the most fundamental concepts in C programming. Understanding how to define, call, and manage user-defined and library functions is key to mastering structured programming. These C programming MCQs are widely used in technical interviews and coding tests conducted by companies like TCS, Wipro, and Infosys. Each question includes explanations to help you grasp parameter passing, recursion, return types, and scope. Practicing programming questions with answers strengthens your coding logic and prepares you for real-world software challenges. Download C programming MCQ PDFs and practice online to enhance your technical aptitude efficiently.
C Functions
Showing 10 of
151 questions
61. Find the output void main ( ) { printf("%u",main)); }
- Garbage value
- Run time error
- Printing starting address of function main
- Infinite loop
62. Find the output void main () { show (5); } show (int x) { static int i=1; while (i++<5) { show (++x); printf("%d",x); }
- 6 7 8 9
- 9 8 7 6
- 6 6 6 6
- None of these
63. Find the output void main () { int pascal show (int); show (5); } pascal show (int x, int y) { printf ("%d %d", x,y); }
- 0 5
- 5 0
- 0 0
- Compilation error
64. A functions return type may not be
- Double constant
- An array
- A pointer
- A pointer to another pointer
65. Find the output void main () { int x=10; x=callme (x); printf("%d",x); } callme (int x) { int i=5; x=x/2-3; return x,i; }
- 3
- 5
- Can't return more than one value
- Function should have a return type
66. Find the output void main ( ) { int i =5; printf ("i=%d", i); show ( ); printf ("i=%d",i); } show ( ) { int i; i=1; return i; }
- i=5 i=5
- i=5 i=1
- Function should have a return type
- Multiple declarations of i
67. Find out the false statement
- A program by default sends integer type parameters.
- A function can be a part of an expression.
- Size of a function can be measured using sozeof () operator.
- A stack frame is created in memoy for each function call.
68. Find the output int x=5; { int *p; int *find( ); p=find ( ); printf("%d", *p); } int *find ( ) { int x=10; return &x; }
- 10
- 5
- Garbage
- None of these
69. Find the output int main (int x) { if (k<10) printf("%d ",main (k+1)); return k; }
- 2 3 4 5 6 7 8 9 10
- 10 9 8 7 6 5 4 3 2
- Compilation error
- None of thesde
70. Find the output void main ( ) { int i=1; while (i++<5) printf("%d", call (i)); } call (int i) { return --i; }
- 1 2 3 4
- 0 1 2 3
- Function should return a value
- 0 0 0 0