待排记录的数据类型定义为: #define maXsize 20 Typedef int Keytype pedef struct kEytYpe key; ∥关键字项 nfo Type otherinfo;∥其它数据项 BRedType Typedef struct RedType rMAXSIze+1/r0闲置或用作哨兵 int length; iSqlist;待排记录的数据类型定义为： #define MAXSIZE 20 Typedef int KeyType Typedef struct {KeyType key; //关键字项 InfoType otherinfo; //其它数据项 }RedType; Typedef struct {RedType r[MAXSIZE+1] //r[0]闲置或用作哨兵 int length; }Sqlist;