Function libfabric_sys::rust_fi_mr_reg

pub unsafe extern fn rust_fi_mr_reg(
    domain: *mut fid_domain, 
    buf: *const c_void, 
    len: usize, 
    access: u64, 
    offset: u64, 
    requested_key: u64, 
    flags: u64, 
    mr: *mut *mut fid_mr, 
    context: *mut c_void
) -> c_int