__jmp_buf_regs_t
__jmp_buf_regs_t *r = (void *)&sc[1];
struct __jmp_buf_regs_t *r = &context->regs;
struct __jmp_buf_regs_t regs;
__CTASSERT(0x68 == offsetof(__jmp_buf_regs_t,save_mask) +
__CTASSERT(sizeof(sigjmp_buf) >= sizeof(__jmp_buf_regs_t) +
__jmp_buf_regs_t *r = (void *)&sc[1];