➨ C Programming Functions

1. The keyword used to transfer control from a function back to the calling function is

A. switch B. goto C. go back D. return - Answer&Explanation Answer:Option D Explanation : The keyword return is used to transfer control from a function back to the calling function. Example: #include int add(int, int); /* Function prototype */ int main() { int a = 4, b = 3, c; c = add(a, b); printf("c = %d\n", c); return 0; } int add(int a, int b) { /* returns the value and control back to main() function */ return (a+b); } Output:  c = 7 View Answer

2. What is the notation for following functions? 1. int f(int a, float b) { /* Some code */ } 2. int f(a, b) int a; float b; { /* Some code */ }

A. 1. KR Notation And 2. ANSI Notation B. 1. Pre ANSI C Notation And 2. KR Notation C. 1. ANSI Notation And 2. KR Notation D. 1. ANSI Notation And 2. Pre ANSI Notation - Answer&Explanation Answer:Option C Explanation : KR Notation means Kernighan and Ritche Notation. View Answer

3. How many times the program will print "MCQBIX" ? #include int main() { printf("MCQBIX"); main(); return 0; }

A. Infinite times B. 32767 times C. 65535 times D. Till stack overflows - Answer&Explanation Answer:Option D Explanation : A call stack or function stack is used for several related purposes, but the main reason for having one is to keep track of the point to which each active subroutine should return control when it finishes executing. A stack overflow occurs when too much memory is used on the call stack. Here function main() is called repeatedly and its return address is stored in the stack. After stack memory is full. It shows stack overflow error. View Answer