Function libsqlite3_sys::sqlite3_create_collation

pub unsafe extern fn sqlite3_create_collation(arg1: *mut sqlite3,
                                              zName: *const c_char,
                                              eTextRep: c_int,
                                              arg2: *mut c_void,
                                              xCompare: Option<unsafe extern fn(_: *mut c_void, _: c_int, _: *const c_void, _: c_int, _: *const c_void) -> c_int>)
                                              -> c_int