docs: Minor documentation improvements (data_structures/queue.c) (#616)

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Shezza221b 2020-10-01 22:49:55 +05:30 committed by GitHub
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@ -8,6 +8,9 @@
////////////////////////////////////////////////////////////////////////////////
// DATA STRUCTURES
/**
* Defining the structure of the node which contains 'data' (type : integer), two pointers 'next' and 'pre' (type : struct node).
*/
struct node
{
int data;