title: How to wrote programs to implement shared memory page in C
body: <p>I have a C program which perform encryption/decryption operation using OpenSSL. I want to implement the concept of Shared memory pages using the
  above program. For that purpose I wish to perform same encryption/decryption operation using OpenSSL in two separate C program. </p>
  
  <p>How can I write to implement shared memory page concept
  so that ONLY One copy of OpenSSL library is loaded ? Is it if I use OpenSSL , automatically shared memory page concept will be implemented Or I need to write program with any special manner ?</p>
  
  <p>I am using GCC under Linux.</p>
  
  <p>Any pointer / help will be great help.</p>