sys/kern/subr_xxx.c
/*
 * Unsupported system function.
 * This is used for an otherwise-reasonable operation
 * that is not supported by the current system binary.
 */
Unsupported system function.
This is used for an otherwise-reasonable operation
that is not supported by the current system binary.
Unsupported system function . This is used for an otherwise - reasonable operation that is not supported by the current system binary .
int
enosys()
{
	return (ENOSYS);
}
int enosys ( ) { return ( ENOSYS ) ; }
Unsupported system function.
Unsupported system function .