C语言经典算法之单链表1 经典, C语言, return, include

苹果也疯狂

#include<stdlib.h>
#include<stdio.h>
struct roommate
{
char name;
long num;
int age;
char birthplace;
struct roommate *next;
};
struct roommate *head,*cthis,*cnew;
void ins_record(void)
{
int i,j=0;
char numstr,b;
cthis=head;
printf("\nInput a num :");
scanf("%d",&i);
while(j<i-2)
  {
cthis=(struct roommate*)malloc(sizeof (struct roommate));
cthis=cthis->next;
++j;


  }
if(j>i-1)
return;
cnew=(struct roommate*)malloc(sizeof (struct roommate));
printf("\nplease input the information:");
printf("\nenter name:");
scanf("%s", &cnew->name);
printf("\nenter number:");
scanf("%ld",&cnew->num);
printf("\nenter age:");
scanf("%d",&cnew->age);
printf("\nenter birthplace:");
scanf("%s",&cnew->birthplace);
cnew->next=cthis;
}
main()
{
ins_record();
}