projects of oop344

IOF

Simple Functions
void iof_init(void)	Initializes the iof routines.
void iof_end(void)	Shuts down the io routines and ensures that the cursor is not left in the middle of the screen, which may be partly filled with characters.
int iof_rows(void)	Returns the number of rows on the screen.
int iof_cols(void)	Returns the number of columns on the screen.
void iof_clrscr(void)	Clears the screen and leaves the cursor in the upper left-hand corner of the screen.
void iof_flush(void)	Ensures that any output sent to the screen is displayed on the screen (that is, this function flushes the output buffer).
int iof_getch(void)	Returns the virtual key code identifying the key pressed by the user.
void iof_movecur(int r, int c)	Positions the cursor at row r and column c, where row 0 is the top row and column 0 is the leftmost column.
void iof_putch(int c)	Displays the character c at the current cursor position and advances the cursor by one position to the right.
void iof_prnstr(const char *s)	Displays the null-terminated string pointed to by s starting at the current cursor position.

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