C pointer pointer, and seg fault

Question

Below is my simple linked list in C. My question is in \"headRef = &newNode;\" which causes segmentation fault. Then I tried instead \"*headRef = newNode;\" which resolves the s

Answer 1

You're setting headRef to hold the address of a variable that lives on the stack; as soon as your Push() function returns, the stack is no longer valid and you can count on it getting overwritten. This is a sure recipe for a segfault.