/*************
 *
 *   str_toupper()
 *
 *************/

static
char *str_toupper(char *source, char *dest)
{
  int i;
  int n = strlen(source) + 1;
  for (i = 0; i < n; i++)
    dest[i] = toupper(source[i]);
  return dest;
}  /* str_toupper */

/*************
 *
 *   str_tolower()
 *
 *************/

static
char *str_tolower(char *source, char *dest)
{
  int i;
  int n = strlen(source) + 1;
  for (i = 0; i < n; i++)
    dest[i] = tolower(source[i]);
  return dest;
}  /* str_tolower */

