关于本站上的一个例子

#define ERROR 0
#define OK 1
struct STU
{ char name[20];
char stuno[10];
int age; int score;
}stu[50];
struct LIST
{ struct STU stu[50];
int length;
}L;

int printlist(struct LIST L)
{ int i;
printf("name stuno age score\n");
for(i=0;i<L.length;i++)
printf("%s %s\t%d\t%d\n", L.stu[i].name, L.stu[i].stuno, L.stu[i].age, L.stu[i].score);
printf("\n");
}

int listinsert(struct LIST *L,int i,struct STU e)
{ struct STU *p,*q;
if (i<1||i>L->length+1)
return ERROR;
q=&(L->stu[i-1]);
for(p=&L->stu[[color=Blue]L->length-1];p>=q;--p) [/color]*(p+1)=*p; *q=e; ++L->length; //男色字的那里，值为-1，但是数组值是从0开始的。。。这个何解？
return OK;
}/*ListInsert Before i */

main()
{ struct STU e;
L.length=0;
strcpy(e.name,"zmofun");
strcpy(e.stuno,"100001");
e.age=80;
e.score=1000;
listinsert(&L,1,e);
printlist(L);
printf("List length now is %d.\n\n",L.length);

strcpy(e.name,"bobjin");
strcpy(e.stuno,"100002");
e.age=80;
e.score=1000;
listinsert(&L,1,e);
printlist(L);
printf("List length now is %d.\n\n",L.length);
}
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