Something

char    *my_strcapitalize(char *str)
{
  int   i;
  
  i = 0;
       while (str[i] != '\0')
       {
	 if(i == 0)
      {
	str[i] = str[i] - ('a' - 'A');
	i++;
      }
	 if (str[i] == ' ' || ((str[i] < '/') && (str[i] > '!')))
	   {
	     i++;
	     str[i++] = str[i] - ('a' - 'A');
	   }
	 i++;
       }
     return(str);
}