bsd_to_linux_trapcode
sf.sf_uc.uc_mcontext.sc_trapno = bsd_to_linux_trapcode(code);
frame.sf_uc.uc_mcontext.sc_trapno = bsd_to_linux_trapcode(code);
frame.sf_sc.sc_trapno = bsd_to_linux_trapcode(code);
frame.sf_uc.uc_mcontext.sc_trapno = bsd_to_linux_trapcode(code);
frame.sf_sc.sc_trapno = bsd_to_linux_trapcode(ksi->ksi_trapno);
int bsd_to_linux_trapcode(int);