@node biostime, bios
@findex biostime
@subheading Syntax

@example
#include <bios.h>

long biostime(int cmd, long newtime);
@end example

@subheading Description

This function reads (@var{cmd}=0) or sets (@var{cmd}=1) the internal
tick counter, which is the number of 18.2 Hz ticks since midnight.

@subheading Return Value

When reading, the number of ticks since midnight.

@subheading Portability

@portability !ansi, !posix

@subheading Example

@example
long ticks = biostime(0, 0);
@end example