File list of package libtre-dev in bookworm of architecture armel
/usr/include/tre/regex.h /usr/include/tre/tre-config.h /usr/include/tre/tre.h /usr/lib/arm-linux-gnueabi/libtre.a /usr/lib/arm-linux-gnueabi/libtre.so /usr/lib/arm-linux-gnueabi/pkgconfig/tre.pc /usr/share/doc/libtre-dev