Something

jmkasunich@ke-main-1006:~/emcdev/emc2head/src$ find -name \*.c -or -name \*.cc | xargs egrep -lw hal_p[aramin]*_u8_new
./emc/motion/motion.c
./emc/usr_intf/halui.cc
./hal/classicladder/module_rt.c
./hal/hal_lib.c
./hal/components/freqgen.c
./hal/components/stepgen.c
./hal/drivers/hal_ppmc.c
./hal/drivers/hal_skeleton.c