Local backend: Remove usage of FILE API
Local backend: Remove usage of FILE API

Signed-off-by: Romain Roffé <a419154ebcae3dc453f411c8166fe29d782f81ee@parrot.com>

Sunderfield/libiio,gburca/libiio,Sunderfield/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio,sensarliar/libiio,gburca/libiio,gburca/libiio,sensarliar/libiio,analogdevicesinc/libiio,Sunderfield/libiio,sensarliar/libiio