Why is extern used in c?
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What is the difference between the expression “++a” and “a++”?
What is the behavioral difference when include header file in double quotes (“”) and angular braces (<>)?
Why static is used in c?
Given an array A[n+m] of n+m numbers, where A[1] ... A[n] is sorted and A[n+1] ... A[n+m] is sorted. Design a linear time algorithm to obtain A[1...n+m] sorted using only O(1) extra space. Time Complexity of your algorithm should be O(n) and Space Complexity O(1).
What are the output(s) for the following ? #include char *f() {char *s=malloc(8); strcpy(s,"goodbye")} main() { char *f(); printf("%c",*f()='A'); }
What is the use of typedef in structure in c?
what is the purpose of the following code, and is there any problem with the code? void fn(long* p1, long* p2) { register int x = *p1; register int y = *p2; x ^= y; y ^= x; x ^= y; *p1 = x; *p2 = y; }
Explain the difference between call by value and call by reference in c language?
Write a program to give following output..... ********* **** **** *** *** ** ** * * ** ** *** *** **** **** *********
What are the advantages of using new operator as compared to the function malloc ()?
What is restrict keyword in c?
What is the difference between void main and main in c?