说明：  MPLAB X IDE C 语言编程必须要掌握的知识，本书详细讲述了 MPLAB C 与 ANSI C 的要点，MPLAB C 语言编程必须掌握
(X IDE C MPLAB language programming must be to master the knowledge, the book details about the C ANSI and C MPLAB points, C MPLAB language programming must be mastered)