pub unsafe extern "C" fn strtok_r(
arg1: *mut c_char,
arg2: *const c_char,
arg3: *mut *mut c_char,
) -> *mut c_charpub unsafe extern "C" fn strtok_r(
arg1: *mut c_char,
arg2: *const c_char,
arg3: *mut *mut c_char,
) -> *mut c_char