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sscanf produces unhosted IO warnings

Question asked by grant on Jan 14, 2013
Latest reply on Jan 21, 2013 by grant



I am using codesourcery ARM EABI toolchain to build code for a energy micro cortex M3 (EFM32GG290F1024)


I can build and run code fine however calling sscanf seems to give me 4 warnings:

"libcs3unhosted.a(unhosted-_close.o): warning: IO function '_close' used"
and similar warnings for '_lseek', '_read' and '_write'


I am looking to try to understand and remove these warnings


Any help would be much appreciated