ultrix man page for typeahead

typeahead(3cur) 														   typeahead(3cur)

Name
       typeahead - check for typeahead

Syntax
       int typeahead(fd)
       int fd;

Description
       If is enabled, the program looks for typeahead input periodically while updating the screen.  If input is found, the current update will be
       postponed until or is called again.  This allows faster response to commands typed in advance.

       Normally, the input FILE pointer passed to the routine, will be used to do this typeahead checking.  If the routine was called,	the  input
       FILE pointer is passed to

       The routine specifies that the file descriptor is to be used to check for typeahead.  If is -1, then typeahead is disabled.

Return Values
       No return values are defined for this function.

See Also
       doupdate(3cur), initscr(3cur), newterm(3cur), refresh(3cur)

																   typeahead(3cur)