Function switch_core_db_prepare 

pub unsafe extern "C" fn switch_core_db_prepare(
    db: *mut switch_core_db_t,
    zSql: *const c_char,
    nBytes: c_int,
    ppStmt: *mut *mut switch_core_db_stmt_t,
    pzTail: *mut *const c_char,
) -> c_int