/*****************************************
 * stdio - Standard I/O Routines for C02 *
 *****************************************/

/* Read Character from Keyboard          *
 *   Waits for Keypress                  *
 * Returns: ASCII value of Key           */
char getchr();

/* Write Character to Screen             *
 * Args: c - ASCII character to write    */
void putchr(); 

/* Read String from Keyboard             *
 *   Buffers string until C/R is pressed *
 * Args: &s - string read from keyboard  *
 * Returns: length of string             */
char getstr(); 

/* Write String to Screen                *
 * Args: &s - string to print from       *
 * Returns: ending position in string    */
char outstr();

/* Write Partial String to Screen         *
 * Args: n  - starting position in string *
 *       &s - string to print from        *
 * Returns: ending position in string     */
char outsub();

/* Write String to Screen and Move        *
 *   Cursor to Beginning of Next Line     *
 * Args: &s - string to print to screen   *
 * Returns: number of characters printed  */
char putstr();