Pointers are just variables like any other variables we declare, the only difference is that, the so called normal variables store some sort of data like an integer,a character,a floating point number, on the other hand a pointer stores a … Continue reading →

First of all lets see what a signal is. A signal is a software interrupt sent by the kernel to a foreground process to report an exceptional situation or report a case where the process is trying to access an … Continue reading →