Segmentation fault causes and solution

Well, this "SEGMENTATION FAULT" error encountered me and my friends while doing network programming in C on a Linux platform.

Cause for this error : A segmentation fault occurs mainly when our code tries to access some memory location which it is not suppose to access.

For example :

1. Working on a dangling pointer.
2. Writing past the allocated area on heap.
3. Operating on an array without boundary checks.
4. Freeing a memory twice.
5. Working on Returned address of a local variable
6. Running out of memory(stack or heap)

So, avoid / debug above errors to get rid of this

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