Why is not a pointer null after calling free? How unsafe is it to use (assign, compare) a pointer value after it is been freed?
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What are structure members?
How do you define structure?
main() { int x, arr[8]={11,22,33,44,55,66,77,88}; x=(arr+2)[3]; printf(ā%dā,x); }
Here is a good puzzle: how do you write a program which produces its own source code as output?
What is sizeof int?
What is the relation between # and include<stdio.h>
Is it possible to run a c program without using main?If yes HOW??
#include<stdio.h> void main() { int =1; printf("%d%d%d",a++,++a,++a); }
Please provide question papers of NATIONAL INFORMATICS CENTRE for Scientific officer
what is the answer for it main() { int i; clrscr(); printf("%d",&i)+1; scanf("%d",i)-1; }
Write a C/C++ program that connects to a MySQL server and checks intrusion attempts every 5 minutes. If an intrusion attempt is detected beep the internal speaker to alert the administrator. A high number of aborted connects to MySQL at a point in time may be used as a basis of an intrusion.
2 Answers Drona Solutions, Infosys, Vodafone, Webyog,
What is the difference between constant pointer and constant variable?