http://www.amazon.com/

#include<stdio.h>
#include<stdlib.h>
typedef struct nod{

        li->curent=li->curent->next;
    }
    q->next=li->curent->next;

    free(li->curent);

    li->lungime--;}
}

 
void popf(lista *li)
{
    if(li->inceput->next!=li->sfarsit)
    {
        li->curent=li->inceput->next;
        li->inceput->next=li->inceput->next->next;
        li->lungime--;
        free(li->curent);
    }
}
 
void popk(lista *li,int k)
{
    li->curent=li->inceput;
    nod *q;
    if(li->inceput->next!=li->sfarsit) {
    while(li->curent->next!=li->sfarsit)
    {
        q=li->curent;
        li->curent=li->curent->next;
        if(*(li->curent->info)==k)
        {
            break;
        }
    }
    if(*(li->curent->info)==k)
    {q->next=li->curent->next;
    free(li->curent);
    li->lungime--;}
    }
}
 

int main()
{

        case 4: scanf("%d %d",&x,&k); pbk(li,x,k); break;
        case 5: scanf("%d %d",&x,&k); pfk(li,x,k); break;
        case 6: popb(li); break;

        case 7: popf(li); break;
        case 8: scanf("%d",&k); popk(li,k); break;

        case 7: popf

        default: printf("Nu exista comanda %d\n",co); break;
    }