#include<stdio.h>
struct a
{
        int element;
        struct a *next;
};
void insert(int a,struct a *P)
{
    struct a *TmpCell;
    TmpCell =(struct a*)malloc(10);
    TmpCell->element=a;
    TmpCell->next=P->next;
    P->next=TmpCell;
}
int main(void)
{
    int b=1;
    struct a *P;
    P->next=NULL;
    insert(b,P);
    return 0;



}