@node _my_cs, cpu
@subheading Syntax

@example
#include <sys/segments.h>

unsigned short _my_cs();
@end example

@subheading Description

Returns the current @code{CS}.  This is useful for setting up interrupt
vectors and such. 

@subheading Return Value

@code{CS}


@subheading Portability

@portability !ansi, !posix