?? util.h
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#ifndef UTIL_H#define UTIL_H#define NELEM(a) (sizeof(a)/sizeof((a)[0]))#define HIGH_NIBBLE_SET(l,r) ((l) = (r)<<4 | (l)&0x0f)#define LOW_NIBBLE_SET(l,r) ((l) = (l)&0xf0 | (r))#define HIGH_BYTE(x) ((x) >> 8)#define LOW_BYTE(x) ((x) & 0xff)#define FORM_WORD(h,l) (((int)(h))<<8 | (l))#endif?? 快捷鍵說明
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