Adding a node to a Linked List in C

void addnode(int data)

{

node *newp = NULL;

node *p;

newp = (node*)malloc(sizeof(node));

newp->info=data;

newp->link=NULL;

if(start==NULL)

{

start=newp;

}

else

{

p=start;

while(p->link!=NULL)

{

p=p->link;

}

p->link=newp;

}

}