linux-musl-x86/1.75.0/lib/rustlib/src/rust/vendor/libc/src/unix/linux_like/linux/gnu/b64/aarch64/fallback.rs

s! {
    #[repr(align(16))]
    pub struct user_fpsimd_struct {
        pub vregs: [[u64; 2]; 32],
        pub fpsr: ::c_uint,
        pub fpcr: ::c_uint,
    }
}