C in 100 Seconds: Double Pointers — Pointer to Pointer | Episode 29

A double pointer holds the address of another pointer. Dereference once to get the pointer, twice to get the value. Pass a pointer by reference so a function can allocate memory and the caller sees the result. Student code: https://github.com/GoCelesteAI/c-in-100-seconds/tree/main/episode29 #c #programming #100seconds #learnc #doublepointer #pointertopointer #malloc #tutorial