1 #include <stdio.h> 2 #include <string.h> 3 4 5 6 int main(void) { 7 8 char origen[] = "Hello world!\n"; 9 size_t i, len; 10 11 len = strlen(origen); 12 char destino[len]; /* +1 for the '\0' */ 13 14 for(i = 0; i <= len; i++) 15 destino[i] = origen[i]; 16 17 printf("%s", origen); 18 printf("%s", destino); 19 20 return 0; 21 }