?? _const.h
字號:
#ifndef __CONST_H
#define __CONST_H
/* For AVR, const means program memory object. For the Standard C libray,
* const often simply means that the function will not modify the argument
* so these two uses are not compatible.
* Using this macro in the standard header file makes them compatible
* with all targets
*/
#if defined(_AVR) || defined(_M8C)
#define CONST
#else
#define CONST const
#endif
#endif
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