git: purgatorio

ref: b7defb5ff290bb2f97e5e7d6948db0a9dc4bdd6a
dir: /utils/libregexp/

NOTICE
mkfile
regaux.c
regcomp.c
regcomp.h
regerror.c
regexec.c
regsub.c
rregexec.c
rregsub.c
test.c
test2.c