What is the scope of an external variable in c?
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How to add two numbers without using semicolon at runtime
Does * p ++ increment p or what it points to?
Prove or disprove P!=NP.
Is main() function predfined or userdefined?
why we shiuld use main keyword in C
What does extern mean in a function declaration?
How can I invoke another program or command and trap its output?
What is volatile variable in c?
Write a C program on Centralized OLTP, Decentralized OLTP using locking mechanism, Semaphore using locking mechanism, Shared memory, message queues, channel of communication, sockets and a simple program on Saving bank application program using OLTP in IPC?
What are the preprocessor categories?
what is the return value (status code) of exit() function.... what the arguments(integer value) passed to it means....
Differentiate between declaring a variable and defining a variable?