check_sigcontext32
int check_sigcontext32(struct lwp *, const struct netbsd32_sigcontext *);
error = check_sigcontext32(l, (const struct netbsd32_sigcontext *)&context);
int check_sigcontext32(struct lwp *, const struct netbsd32_sigcontext *);
error = check_sigcontext32(l, &context);
int check_sigcontext32(struct lwp *, const struct netbsd32_sigcontext *);