root - sys sys
root/sys - sys sys
root/sys/src - sys sys
root/sys/src/9 - sys sys
root/sys/src/9/pc - sys sys
root/sys/src/9/pc/etherm10g.c - quanstro sys
root/sys/src/9/pc/etherm10g2k.i - quanstro sys
root/sys/src/9/pc/etherm10g4k.i - quanstro sys