Build me a review sheet

Writing code looking through code or debugging it. Fixing code. Block of code description. Understanding all concepts or c programming. Deal with pointers and various variables and output selectors. arrow notation and stars that deal with structures. Ampersand pointer to a memory address what is it array to pointer. The variable scanf and %d ampersand there character array %s and null pointers s or d. Address null pointer. Integer no null. Define point of a structure know printf and scanf.