카타 8급 Find the position!

C

char* position(char alphabet) {
  char *res;
  asprintf(&res, "Position of alphabet: %d", alphabet-'a'+1);
  return res;
}

char* position(char alphabet) {
  char *res;
  asprintf(&res, "Position of alphabet: %d", alphabet-96);
  return res;
}

char* position(char alphabet) {
  char* res = calloc(25,sizeof(char));
  sprintf(res, "Position of alphabet: %d", alphabet-'a'+1);
  return res;
}