system header files and sysctl(3) to get at the relevant
information. */
-#if defined (__FreeBSD_version) && __FreeBSD_version >= 400011
-#define SC_REG_OFFSET i386fbsd4_sc_reg_offset
-#elif defined (__FreeBSD_version) && __FreeBSD_version >= 300005
+#if defined (__FreeBSD_version)
#define SC_REG_OFFSET i386fbsd_sc_reg_offset
#elif defined (OpenBSD)
#define SC_REG_OFFSET i386obsd_sc_reg_offset