#include <stdio.h>
#include <stdlib.h>
typedef struct aa
{int data; struct aa *next;}NODE;
int fun(NODE *h)
{int sum = 0 ;
NODE *p;
p=__1__;
while(p)
{if(p->data%2==0)
sum +=p->data;
p=__2__;
}
return sum;
}
NODE *creatlink(int n)
{NODE *h, *p, *s;
int i;
h=p=(NODE *)malloc(sizeof(NODE));
for(i=1; i<=n; i++)
{s=(NODE *)malloc(sizeof(NODE));
s->data=rand()%16;
s->next=p->next;
p->next=s;
p=p->next;
}
p->next=NULL;
return h;
}
outlink(NODE *h, FILE *pf)
{NODE *p;
p = h->next;
fprintf(pf ,"\n\nTHE LIST :\n\n HEAD ");
while(p)
{fprintf(pf ,"->%d ",p->data); p=p->next;}
fprintf (pf,"\n");
}
outresult(int s, FILE *pf)
{fprintf(pf,"\nThe sum of even numbers : %d\n",s);}
main()
{NODE *head; int even;
head=creatlink(12);
head->data=9000;
outlink(head , stdout);
even=fun(head);
printf("\nThe result :\n"); outresult(even, stdout);
}