#include <stdio.h>
#include <stdlib.h>
 
int* copia(int *vet, int tam) {
    int *retorno = malloc(tam * sizeof(int));
    for(int i = 0; i < tam; i++)
        retorno[i] = vet[i];
    return retorno;
}
 
int main(void) {
	int tam = 3;
    int *vet = malloc(tam * sizeof(int));
    vet[0] = 1;
    vet[1] = 2;
    vet[2] = 3;
	int *novo = copia(vet, tam);
	printf("0 -> %d\n", novo[0]);
	printf("1 -> %d\n", novo[1]);
	printf("2 -> %d\n", novo[2]);
	free(novo);
	return 0;
}
 

I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdGRsaWIuaD4KCmludCogY29waWEoaW50ICp2ZXQsIGludCB0YW0pIHsKICAgIGludCAqcmV0b3JubyA9IG1hbGxvYyh0YW0gKiBzaXplb2YoaW50KSk7CiAgICBmb3IoaW50IGkgPSAwOyBpIDwgdGFtOyBpKyspCiAgICAgICAgcmV0b3Jub1tpXSA9IHZldFtpXTsKICAgIHJldHVybiByZXRvcm5vOwp9CgppbnQgbWFpbih2b2lkKSB7CglpbnQgdGFtID0gMzsKICAgIGludCAqdmV0ID0gbWFsbG9jKHRhbSAqIHNpemVvZihpbnQpKTsKICAgIHZldFswXSA9IDE7CiAgICB2ZXRbMV0gPSAyOwogICAgdmV0WzJdID0gMzsKCWludCAqbm92byA9IGNvcGlhKHZldCwgdGFtKTsKCXByaW50ZigiMCAtPiAlZFxuIiwgbm92b1swXSk7CglwcmludGYoIjEgLT4gJWRcbiIsIG5vdm9bMV0pOwoJcHJpbnRmKCIyIC0+ICVkXG4iLCBub3ZvWzJdKTsKCWZyZWUobm92byk7CglyZXR1cm4gMDsKfQo=