* i386-tdep.h (i386fbsd_sigtramp_start, i386fbsd_sigtramp_end,

* i386-tdep.h (i386fbsd_sigtramp_start, i386fbsd_sigtramp_end,
i386obsd_sigtramp_start, i386obsd_sigtramp_end,
i386fbsd4_sc_reg_offset, i386fbsd_sc_reg_offset,
i386nbsd_sc_reg_offset, i386obsd_sc_reg_offset,
i386bsd_sc_reg_offset): Add extern declarations.
* i386obsd-nat.c: Include "i386-tdep.h"
(_initialize_i386obsd_nat): Remove extern declarations.
* i386fbsd-nat.c (_initialize_i386fbsd_nat): Remove extern
declarations.
* i386bsd-nat.c (_initialize_i386bsd_nat): Remove extern
declarations.