Function libgit2_sys::git_mailmap_add_entry

pub unsafe extern "C" fn git_mailmap_add_entry(
    mm: *mut git_mailmap, 
    real_name: *const c_char, 
    real_email: *const c_char, 
    replace_name: *const c_char, 
    replace_email: *const c_char
) -> c_int