✏️ Explanatory Question

What is memory leak? Why it should be avoided

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📘 Detailed Answer
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Answer with Explanation

Memory leak occurs when programmers create a memory in heap and forget to delete it. Memory leaks are particularly serious issues for programs like daemons and servers which by definition never terminate.

/* Function with memory leak */
#include 
 
void f()
{
   int *ptr = (int *) malloc(sizeof(int));
 
   /* Do some work */
 
   return; /* Return without freeing ptr*/
}