flags: usizelink: ?*ucontext_tstack: stack_tmcontext: mcontext_tsigmask: sigset_tregspace: [28]usizepub const ucontext_t = extern struct {
flags: usize,
link: ?*ucontext_t,
stack: stack_t,
mcontext: mcontext_t,
sigmask: sigset_t,
regspace: [28]usize,
}