Reverse a word or a phrase

reverse.c

//
//  reverse.c
//  
//
//  Created by Matteo Gaggiano on 23/06/12.
//  Copyright (c) 2012 Marchrius. All rights reserved.
//

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

int main() {
    
    char *line = (char*)malloc(sizeof(char*)); //definisco 1 variabile di tipo puntatore a char
    int i, count = 0, len = 0;
    char t;

    printf("Inserisci la frase. Per terminare premi INVIO\n");

    fgets(line, 1024, stdin);

    len = strlen(line);
    char line2[len];
  
    line[len-1] = '\0';

    len = strlen(line);

    for (i = len-1; i>=0; i--) {
        line2[i] = line[count++];
    }

    printf("Frase>> %s\nReverse>> %s\n", line, line2);

    free(line);
    return 0;
}