libc 0.2.186

Raw FFI bindings to platform libraries like libc.
Documentation 
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use crate::prelude::*;

pub type ucontext_t = sigcontext;

s! {
    pub struct sigcontext {
        __sc_unused: Padding<c_int>,
        pub sc_mask: c_int,
        pub sc_ra: c_long,
        pub sc_sp: c_long,
        pub sc_gp: c_long,
        pub sc_tp: c_long,
        pub sc_t: [c_long; 7],
        pub sc_s: [c_long; 12],
        pub sc_a: [c_long; 8],
        pub sc_sepc: c_long,
        pub sc_f: [c_long; 32],
        pub sc_fcsr: c_long,
        pub sc_cookie: c_long,
    }
}

pub(crate) const _ALIGNBYTES: usize = size_of::<c_long>() - 1;

pub const _MAX_PAGE_SHIFT: u32 = 12;