Function libsqlite3_sys::sqlite3_create_collation

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