PRACTICA LISTA, C (gcc)

PRACTICA LISTA

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

// Definir estructura que almacenará los nodos de la lista
typedef struct
{
    char date[51];
    struct nodo *nextPtr;
}node;

node *input(node *, char *);
void output(node * );
int main(void)
{
    node *list = NULL;
    list = input(list, "MANUEL");
    output(list);
    list = input(list, "VALESKA");
    output(list);
    list = input(list, "CARLOS");
    output(list);
    return 0;
}

// Implementation of functions

node *input(node *list, char *str)
{
    node *listAux;
    node *ptrList;
    
    ptrList = malloc(sizeof(node));
    
    if ( ptrList == NULL)
    {
        printf( "%s not inserted. No memory available.\n", str );
        exit(EXIT_FAILURE);
    }
    
    strcpy(ptrList -> date, str);
    //ptrList -> date = value;
    ptrList -> nextPtr = NULL;
    
    if ( list == NULL)
        list = ptrList;
    else
    {
        listAux = list;
        
        while ( (listAux -> nextPtr) != NULL )
        {
            listAux = listAux->nextPtr;
        }
        listAux -> nextPtr = ptrList;
    }
    return list;
}
void output(node *list)
{
    while ( list != NULL )
    {
        printf("%s --> ", list -> date);
        list = list-> nextPtr;
    }
    printf("NULL\n");
}


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