type.h

来自「WINAVR写的2x8键盘扫描程序」· C头文件 代码 · 共 26 行

#define UCHAR  unsigned char 
#define UINT   unsigned int
#define ULONG  unsigned long
#define BOOL   unsigned char

#define uchar  unsigned char 
#define uint   unsigned int
#define ulong  unsigned long
#define bool   unsigned char

#define true    1
#define false   0    

#define TRUE    1
#define FALSE   0    

#ifndef    NULL
  #define  NULL   (void *)0  
#endif 
#ifndef    null
 #define   null   (void *)0  

#endif