/in/foo.c: In function 'create':
/in/foo.c:21:13: warning: 'temp2' may be used uninitialized in this function [-Wmaybe-uninitialized]
  temp2->next=head;
  ~~~~~~~~~~~^~~~~
/in/foo.c: In function 'main':
/in/foo.c:44:2: warning: 'prev' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d",prev->seq);
  ^~~~~~~~~~~~~~~~~~~~~~