有一函数如下,不明白,请高手指点!调用时是否可也用指针取argument?如何调用? Uint32 mmc_read_response (void) { Uint32 argument; ((Byte*)&argument)[0] = MMCMD; /* dummy index read */ ((Byte*)&argument)[0] = MMCMD; ((Byte*)&argument)[1] = MMCMD; ((Byte*)&argument)[2] = MMCMD; ((Byte*)&argument)[3] = MMCMD; return argument; }
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