HelenOS sources

SERVICE_NAME_DHCP   60 uspace/lib/c/include/ipc/services.h #define SERVICE_NAME_DHCP     "net/dhcp"
SERVICE_NAME_DHCP   60 uspace/lib/posix/include/libc/ipc/services.h #define SERVICE_NAME_DHCP     "net/dhcp"
HelenOS homepage, sources at GitHub