C和指针 （pointers on C）——第十章：结构和联合（下一个）锻炼

//1、本章只为了刷存在演习。。

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typedef struct phone { char * quhao; char * jiaohuantai; char * zhanhaoma; }; typedef struct call { char * date; char * time; phone * shiyong; phone * self; phone * hujiao; }; 2、 typedef struct cash { float retail_price; float actual_price; float sales_tax; float licensing_fee; }; typedef struct daikuan { float retail_price; float actual_price; float sales_tax; float licensing_fee; float doun_payment; float loan_duration; float interst_rate; float monthly_payment; float name_of_bank; }; typedef struct zulin { float retail_price; float actual_price; float down_payment; float security_deposit; float monthly_payment; int lease_term; }; typedef struct sale { char name[20]; char address[40]; char model[20]; union { cash trade; daikuan trade; zulin trade; }; };

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