Function sqlite3_blob_open 

pub unsafe fn sqlite3_blob_open(
    arg1: *mut sqlite3,
    arg2: *const c_char,
    arg3: *const c_char,
    arg4: *const c_char,
    arg5: sqlite3_int64,
    arg6: c_int,
    arg7: *mut *mut sqlite3_blob,
) -> c_int