temp->next = head;
        return head;
}

int main()
{
        struct student *head = NULL;
        struct student *q = NULL;
        q = add(head,23,"wang");
        while(q != NULL)
        printf("%s %d",q->name,q->age);
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

struct student
{
    int age;
    char name[10];
    struct student *next;   
};

struct student *add(struct student *head,int age,char *name)
{
    struct student *p = malloc(sizeof(struct student));
    struct student *temp = NULL;
    temp = head;
    while(temp->next != NULL)
        temp = temp->next;
    strcpy(p->name,"name");
    p->age = age;
    p->next = NULL;
    temp->next = head;
    return head;
}

int main()
{
    struct student *head = NULL;
    struct student *q = NULL;
    q = add(head,23,"wang");
    while(q != NULL)
    printf("%s %d",q->name,q->age);
}