This technique is talked about in this Stack Overflow answer: http://stackoverflow.com/questions/12914917/using-pointers-to-remove-item-from-singly-linked-list

This technique is talked about in this Stack Overflow answer: http://stackoverflow.com/questions/12914917/using-pointers-to-remove-item-from-singly-linked-list http://stackoverflow.com/questions/12914917/using-pointers-t..., which also references this Slashdot interview (http://meta.slashdot.org/story/12/10/11/0030249/linus-torvalds-answers-your-questions http://meta.slashdot.org/story/12/10/11/0030249/linus-torval...) with Linus Torvalds where he gives this as his "favorite hack".