Linked list without global variables

Linked list without global variables

References

Reference NO 1

http://stackoverflow.com/questions/15185959/linked-list-without-global-variables

Reference NO 2

http://www.programmingforums.org/thread23581.html

Reference NO 3

http://cboard.cprogramming.com/c-programming/132035-global-linked-list.html

Reference NO 4

http://c2.com/cgi/wiki?GlobalVariablesAreBad

Reference NO 5

http://codereview.stackexchange.com/questions/27669/i-used-global-variable-how-to-do-the-same-using-local-variables

Reference NO 6

http://www.learncpp.com/cpp-tutorial/42-global-variables/

Reference NO 7

http://www.rubyist.net/~slagell/ruby/globalvars.html

Reference NO 8

https://api.drupal.org/api/globals/7