1#include <sys/param.h> 2#include <sys/sysent.h> 3#include <sys/sysproto.h> 4 50 AUE_NULL UNIMPL unimpl_syscall0 6 7; Scenario #1: Vendor uses a reserved slot on just a single platform 8#ifdef PLATFORM_FOO 91 AUE_NULL STD { 10 int syscall1( 11 int arg1 12 ); 13 } 14#else 151 AUE_NULL RESERVED 16#endif 17 18; Scenario #2: The other way around; vendor obsoletes a syscall on newer 19; platforms 20#ifdef PLATFORM_FOO 212 AUE_NULL OBSOL syscall2 22#else 232 AUE_NULL STD { 24 int syscall2(void); 25 } 26#endif 27