libc 0.2.191

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

pub type clock_t = i32;
pub type wchar_t = u32;
pub type time_t = i64;
pub type suseconds_t = i64;
pub type register_t = i64;

s! {
    pub struct gpregs {
        pub gp_x: [crate::register_t; 30],
        pub gp_lr: crate::register_t,
        pub gp_sp: crate::register_t,
        pub gp_elr: crate::register_t,
        // gp_spsr was widened for FreeBSD 14.0.  This struct layout is backwards-compatible, because
        // FreeBSD only runs on little endian aarch64.
        pub gp_spsr: u64,
    }

    pub struct fpregs {
        pub fp_q: [u128; 32],
        pub fp_sr: u32,
        pub fp_cr: u32,
        pub fp_flags: c_int,
        pub fp_pad: c_int,
    }

    pub struct mcontext_t {
        pub mc_gpregs: gpregs,
        pub mc_fpregs: fpregs,
        pub mc_flags: c_int,
        pub mc_pad: c_int,
        pub mc_spare: [u64; 8],
    }
}

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

pub const BIOCSRTIMEOUT: c_ulong = 0x8010426d;
pub const BIOCGRTIMEOUT: c_ulong = 0x4010426e;
pub const MAP_32BIT: c_int = 0x00080000;
pub const MINSIGSTKSZ: size_t = 4096; // 1024 * 4
pub const TIOCTIMESTAMP: c_ulong = 0x40107459;