pub unsafe extern "C" fn nvs_set_i8(
    _handle: u32,
    _key: *const crate::binary::c_types::c_char,
    _value: i8,
) -> crate::binary::c_types::c_int {
    debug!("nvs_set_i8");
    -1
}
**************************************************************************
Name: esp_nvs_set_i8

Description:
Save data of type int8_t into file system

Input Parameters:
handle - NVS handle
key    - Data index
value  - Stored data

Returned Value:
0 if success or -1 if fail

*************************************************************************
esp-wifi/src/wifi/os_adapter.rs