@node biosprint, bios
@subheading Syntax

@example
#include <bios.h>

int biosprint(int cmd, int byte, int port)
@end example

@subheading Description

@table @asis

@item @var{command} = 0

@code{byte} is sent to parallel port @var{port}.

@item @var{command} = 1

Parallel port @var{port} is reset and initialized.

@item @var{command} = 2

The status of parallel port @var{port} is returned.

@example
7654 3210  Meaning

---- ---X  Timeout
---- -XX-  Unused
---- X---  I/O Error
---X ----  Selected
--X- ----  Out of paper
-X-- ----  Acknowledged
X--- ----  Idle
@end example

@end table

@subheading Return Value

The printer status.

@subheading Portability

@portability !ansi, !posix

@subheading Example

@example
while (*c)
  biosprint(0, *c++, 0);
@end example