《C和指针》章节后编程练习解答参考——第10章

10.1

 #include <stdio.h>

 typedef struct
 {
     unsigned char QuHao[];
     unsigned char Exchange[];
     unsigned char StnNum[];
 }TelphoneNumber;

 typedef struct
 {
     unsigned char date[];
     unsigned char time[];
     TelphoneNumber    UserTelphone;
     TelphoneNumber    CallTelphone;
     TelphoneNumber    PayTelphone;
 }Telphone_Call;

 int main (void)
 {

     getchar();
     return ;
 }

10.2

 #include <stdio.h>

 #define    NAMELENGTH    21
 #define    ADDRLENGTH    41
 #define    MODLLENGTH    21
 #define NAMEOFBANKLEN    21

 typedef struct
 {
     float    ManufacturerSuggestedRetailPrice;
     float    ActualSellingPrice;
     float    SalesTax;
     float    LicensingFee;
 }CashSale;

 typedef struct
 {
     float    ManufacturerSuggestedRetailPrice;
     float    ActualSellingPrice;
     float    DownPayment;
     float    SecurityDeposit;
     float    MonthlyPayment;
     int        LeaseTerm;
 }Rent;

 typedef struct
 {
     float    ManufacturerSuggestedRetailPrice;
     float    ActualSellingPrice;
     float    SalesTax;
     float    LicensingFee;
     float    DownPayment;
     int        LoanDuration;
     float    InterestRate;
     float    MonthlyPayment;
     char    NameOfBank[NAMEOFBANKLEN];
 }LoanSale;

 typedef struct
 {
     char    CustomerName[NAMELENGTH];
     char    CustomerAddr[ADDRLENGTH];
     char    Model[MODLLENGTH];
     CashSale    CashSal;
     Rent        RentSal;
     LoanSale    LoanSal;
 }SaleRecord;

 int main (void)
 {

     getchar();
     return ;
 }

10.3

 #include <stdio.h>

 typedef struct
 {
     unsigned int    dst_reg        : ;    //0-2
     unsigned int    dst_mode    : ;    //3-5
     unsigned int    opcode        : ;    //6-15
 }SingleOperat;

 typedef struct
 {
     unsigned int    dst_reg        : ;    //0-2
     unsigned int    dst_mode    : ;    //3-5
     unsigned int    src_reg        : ;    //6-8
     unsigned int    src_mode    : ;    //9-11
     unsigned int    opcode        : ;    //12-15
 }DoubleOperat;

 typedef struct
 {
     unsigned int    offset        : ;    //0-7
     unsigned int    opcode        : ;    //8-15
 }Branch;

 typedef struct
 {
     unsigned int    dst_reg        : ;    //0-2
     unsigned int    dst_mode    : ;    //3-5
     unsigned int    src_reg        : ;    //6-8
     unsigned int    opcode        : ;    //9-15
 }RegistSrc;

 typedef struct
 {
     unsigned int    opcode        :;    //0-15
 }MiscCmd;

 typedef struct
 {
     unsigned short    addr;
     SingleOperat    sgl_op;
     DoubleOperat    dbl_op;
     Branch            branch;
     RegistSrc        reg_src;
     MiscCmd            misc;
 }machine_inst;

 machine_inst    x;

 int main (void)
 {

     getchar();
     return ;
 }