git: 9front

ref: ac4840116ef15e2fc65d0e68f7e16d3a8a1aa2f8
dir: /sys/src/libregexp/

mkfile
regaux.c
regcomp.c
regcomp.h
regerror.c
regexec.c
regsub.c
rregexec.c
rregsub.c