www.c: Explicitly declare itoa as it is non-standard and not necessarily in stdlib.h
www.c: Explicitly declare itoa as it is non-standard and not necessarily in stdlib.h

arurke/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,arurke/contiki,arurke/contiki,arurke/contiki,arurke/contiki,arurke/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki