#include <stdio.h>
#include <stdlib.h>
 
struct lista {
	int info;
	struct lista* prox;
};
 
typedef struct lista Lista;
 
Lista* list_new(void) {
	return (Lista*)NULL;
}
 
Lista* list_add(Lista* l, int i) {
	Lista* novo = malloc(sizeof(Lista));
	novo -> info = i;
	novo -> prox = l;
	return novo;
}
 
void list_print(Lista* l) {
	do {
		printf("%d\t",l->info);
		l = l->prox;
	} while (l != NULL); 
}
 
int main(void) {
	Lista* l = list_new();
	l = list_add(l, 23);
	l = list_add(l, 45);
	list_print(l); 
	return 0;
}

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