IOWithoutPositioning
ftp://ftp.de.debian.org/debian/pool/main/r/rush/rush_2.4.orig.tar.gz
rush-2.4/src/socket.c:59:6: 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]
rush-2.4/src/socket.c:63:3: 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]