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指向數組的指針
/*-------------------------一維數組------------------------*/ int Ary[3] = {3, 2, 1}; int *pInt = Ary; //指向int變量的指針，Ary的值代表第一個元素的地址，此時*pIn=3 int (*pIntAry)[3] = &Ary; //指向int數組的指針 int a1 = pInt [0]; //引用數組的元素，a1=3 int a2 = (*pIntAry)[0]; //引用數組的元素，a2=3 /*-------------------------二維數組------------------------*/ int Ary[3][4] = {{0, 2, 3, 4}, {1, 0}, {2, 1}}; int (*pIntAry1)[4] = Ary; //指向一維int數組的指針，Ary的值代表數組第一個元素的地址，而第一元素為包含4個元素的int數組，此時*pIntAry1={0, 2, 3, 4} int (*pIntAry2)[3][4] = &Ary;//指向二維int數組的指針 int a1[4] = {(*pIntAry1)[0], (*pIntAry1)[1], (*pIntAry1)[2], (*pIntAry1)[3]}; //或者 int a1[4] = {*(*pIntAry1 + 0), *(*pIntAry1 + 1), *(*pIntAry1 + 2), *(*pIntAry1 + 3)}; int a2[4] = {(*pIntAry2)[0][0], (*pIntAry2)[0][1], (*pIntAry2)[0][2], (*pIntAry2)[0][3]}; //或者 int a2[4] = {(**pIntAry2)[0], (**pIntAry2)[1], (**pIntAry2)[2], (**pIntAry2)[3]};
最後更新：2017-04-02 06:51:32