我会C 语言,看了一个pascal 语言写的程序,不明白下面的几处是什么意思。那位大侠能解释一下
最好转化为C语言:1: MoveStr: array [boolean] of string [6] = ('Move: ', '步数: ');2 Write(AtXY(5, 7), NumMoves:5)3 BoardStr = array [0..3] of Char;
pbs = ^BoardStr;
4 Solved := (pbs(Addr(Board[1, 1]))^ = FBoard1) and
(pbs(Addr(Board[2, 1]))^ = FBoard2) and
(pbs(Addr(Board[3, 1]))^ = FBoard3) and
(pbs(Addr(Board[4, 1]))^ = FBoard4)
最好转化为C语言:1: MoveStr: array [boolean] of string [6] = ('Move: ', '步数: ');2 Write(AtXY(5, 7), NumMoves:5)3 BoardStr = array [0..3] of Char;
pbs = ^BoardStr;
4 Solved := (pbs(Addr(Board[1, 1]))^ = FBoard1) and
(pbs(Addr(Board[2, 1]))^ = FBoard2) and
(pbs(Addr(Board[3, 1]))^ = FBoard3) and
(pbs(Addr(Board[4, 1]))^ = FBoard4)
2 Write(AtXY(5, 7), NumMoves:5)
3 BoardStr = array [0..3] of Char;
pbs = ^BoardStr;
4 Solved := (pbs(Addr(Board[1, 1]))^ = FBoard1) and
(pbs(Addr(Board[2, 1]))^ = FBoard2) and
(pbs(Addr(Board[3, 1]))^ = FBoard3) and
(pbs(Addr(Board[4, 1]))^ = FBoard4)
2、
3、BoardStr为拥有四个元素的数组,BoardStr[0],BoardStr[1],BoardStr[3],BoardStr[4]解为字符变量,即Char型。
pbs是指向BoardStr数组的指针。
4、 (pbs(Addr(Board[1, 1]))^ = FBoard1)
——~~~~~ ~~~|
| 取Board[1, 1]的地址|
强制转化地址为Pbs型指针|
取该地址的值,取出来当然是BoardStr类型 不知说清没有,汗。
第二问主要是“:5”不清楚,是不是控制屏幕输出的位置