Revise paste Andrey_LL

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

///////////////
struct Student 
{
    int              ege;
    struct Student* NEXT;
};

/////////////////////////////////////////
struct Student* init(int nEge) 
{
	
	 struct Student *p = (struct Student*)malloc(sizeof(struct Student));

p-> ege = nEge;
     p->NEXT =    0;
	 
return p;
}

//////////////////////////////////////////
void add(struct Student** h, int nEge) 
{
    struct Student* novy = (struct Student*)malloc(sizeof(struct Student));
    novy->ege = nEge;
    novy->NEXT = *h;

*h = novy;
}

///////////////////////////////////////////////
void addend(struct Student **h, int nEge) 
{
    struct Student* novy = (struct Student*)malloc(sizeof(struct Student));
    struct Student* curr = *h;
    while (curr->NEXT != NULL) {
        curr = curr->NEXT;
    }
     novy-> ege = nEge;
     novy->NEXT = NULL;
     curr->NEXT = novy;
}

//////////////////////////////////////////////
int delln(struct Student** h, int m) 
{
    struct Student* novy = (struct Student*)malloc(sizeof(struct Student));
    struct Student* curr = *h;
    if (m == 0) {
        *h = curr->NEXT;
        free(curr) ;
        return 0 ;
    }
    for (int i = 1; i < m; i ++) {
        curr = curr->NEXT;
    }
     novy = curr->NEXT;
     curr->NEXT = novy ->NEXT;
     free(novy) ;
     novy = curr->NEXT;
}

//////////////////////////////////////////////////
int addn(struct Student **h, int m, int nege) 
{
	
    struct Student *novy = *h;
    struct Student *nov  = (struct Student*)malloc(sizeof(struct Student));
    struct Student *curr = *h;
    
    if(m == 0) 
	{
        add(h,  nege);
        return 0 ;
    }
    
    for(int i = 1; i < m; i ++) 
	{
        if(curr->NEXT == NULL)
		{
            addend(h, nege);
            return 0;
        }
        curr = curr->NEXT;
    }

novy = curr->NEXT;

nov -> ege = nege;
    curr->NEXT =  nov;
    nov ->NEXT = novy; 
}

/////////////////////////////////////////
void show(struct Student *h) 
{
	
     struct Student* p = h;
    
	 while(p) 
	 {
        printf("%d ", p->ege);
        p = p->NEXT;
     }
}

/////////////////////////////////////////////
void ja_svoboden(struct Student *h) 
{
	
     struct Student *p = h;

while(p) 
	 {
        p = p->NEXT;
        free(h);
        h = p;
     }
}

/////////////////////////////////////////////
int main()                                 // 
{

struct Student *head;
    
    int       n, m, nege;
    
	scanf("%d", &n);                       //                                             Кол-во элементов  в списко
	
    if(n == 0)
	{
        scanf("%d%d", &m, &nege);
        head = init(nege);
        show( head);
        return 0;
    }
    
    scanf("%d", &m);
    head = init( m);
    
	for(int i = 1; i < n; i++) 
	{
        scanf("%d" , &m);
        addend(&head, m);
    }
    
    scanf("%d%d", &m, &nege);
    addn(&head, m, nege);
    
           show(head);
    ja_svoboden(head);

return 0;
}