学生成绩管理系统c语言代码.doc

#include<>#include<>#defineNsizeof(structSTH)#defineGESHI "%-10ld%-10s%-5s%-4d/%-2d/%-4d%-12s%-12s%s\n"#definePRINTF "学号     姓名    性别  生  日   系别       班级       家庭住址\n"structSTH*readfile();/*声明*/intinsert(structSTH**);intn=0;structdt{   intyear;               /*全局变量*/   intmonth;   intday;};structSTH{   longnum;                   /*学号不能以0开头*/   charname[9];   charsex[5];   structdtbirth;   charxi[20];   charban[20];   charadd[30];   structSTH*next;}*head;/*输入模块*/input_message(){   charch;   intflag=1;   do   {       if(insert(&head)!=0)           n++;              /*计数*/       else           printf("\n有相同的的学号!");       printf("\n是否继续?(y/n)");       getchar();       scanf("%c",&ch);       if(ch=='y'||ch=='Y')       {           printf("\n继续!");           getch();           flag=1;/*标志程序不结束*/       }       else           flag=0;   }while(flag==1);   save_message();   printf("按任意键继续...");   getch();}/*insert()模块*/              /*被输入和插入模块所调用*/intinsert(structSTH**h){   structSTH*p,*p0;   p=(structSTH*)malloc(N);   printf("\n请输入学号:");   scanf("%ld",&p->num);   printf("\n请输入姓名:");   scanf("%s",p->name);   printf("\n请输入性别:");   getchar();     /*取走上一个留下来得‘\n’*/   scanf("%s",p->sex);   printf("\n请输入生日(年月日,用回车隔开):\n");   scanf("%d%d%d",&p->,&p->,&p->);   printf("\n请输入系别:");   scanf("%s",p->xi);   printf("\n请输入班级:");   scanf("%s",p->ban);   printf("\n请输入家庭住址:");   scanf("%s",p->add);   p->next=NULL;   if(*h==NULL)   {       *h=p;       return1;   }   p0=*h;   if(p0->num>p->num)   {       p->next=p0;       *h=p;       return1;   }   while(p0->next!=NULL&&p0->next->num<p->num)       p0=p0->next;   if(p0->next==NULL)   {       p0->next=p;       return1;   }   elseif(p0->next->num==p->num)   {       free(p);           /*有相同数据输入失败*/       return0;   }   else   {       p->next=p0->next;       p0->next=p;       return1;   }}/*读文件模块*/                               /*读文件模块中创建了一个新的链表,其返回值为新链表的头指针*/structSTH*readfile(){   FILE*fp;   structSTH*p,*p0