• [C Programming] 08 – Pointers


    1. What is a pointer 1. Addresses and pointers A variable is defined in the program. When compiling, the system will allocate a storage unit to the variable, and at the same time, allocate a certain length of space according to the data type of the variable. Each byte of the memory area has a […]

  • [C Programming] 09 – Custom Data Types


    First, define and use structure variables 1. Define the structure type The variables used in the previous definitions are basically independent of each other and are not related to each other, and the addresses in the memory are also independent of each other. But in real life and work, some data are intrinsically linked and […]