[PROG1] Ficha 12 | Exercício 3

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
void main()
{
    char **words = NULL, temp[80] = "\0" ;
    int  n = 0 , j ;
    printf ("Insira strings (para acabar insira 0):\n") ;
    while (strcmp(temp , "0\n") != 0)
    {
        fgets (temp , 80 , stdin) ;
        if (strcmp(temp , "0\n") == 0 ) break ;
        for (j = 0 ; j < n ; j++) if (strcmp(temp , words[j]) == 0) break ;
        if (j >= n)
        {
            words = (char **)realloc (words,(n + 1) * sizeof(char*)) ;
            words[n] = (char *)malloc ((strlen(temp) + 1) * sizeof(char)) ;
            strcpy ( words[n++], temp ) ;
        }
    }
    for (j = 0 ; j < n ; j++) printf ("%s" , words[j]) ;
    free (words) ;
}