using a struct to return multiple values of different types in c

retvals.c

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

struct retVals {
        double result;
        char *str;
};

struct retVals* baz(int foo, int bar)
{
  struct retVals* ret = malloc(sizeof(struct retVals));
  double res = (double)foo/(double)bar;
  char *str = "Just Because.";
  int len = strlen(str);
  ret->str = malloc(sizeof(char)*len);
  strncpy(ret->str,str, len);
  ret->result = res;
  return ret;
}

int main()
{
  struct retVals* foo = baz(8,3);
  printf("%f - %s\n", foo->result, foo->str);
  return 0;
}