IOWithoutPositioning
ftp://ftp.de.debian.org/debian/pool/main/libr/libretro-desmume/libretro-desmume_0.9.11+git20160819+dfsg1.orig.tar.gz
desmume/src/emufile.cpp:339:7: error: Read and write operations without a call to a positioning function (fseek, fsetpos or rewind) or fflush in between result in undefined behaviour. [IOWithoutPositioning]
ftp://ftp.de.debian.org/debian/pool/main/m/mailcheck/mailcheck_1.91.2.orig.tar.gz
mailcheck-1.91.2/mailcheck.c:261:7: error: Read and write operations without a call to a positioning function (fseek, fsetpos or rewind) or fflush in between result in undefined behaviour. [IOWithoutPositioning]
mailcheck-1.91.2/mailcheck.c:275:7: error: Read and write operations without a call to a positioning function (fseek, fsetpos or rewind) or fflush in between result in undefined behaviour. [IOWithoutPositioning]