REG_UNSET_VALUE - Haiku

Symbol: REG_UNSET_VALUE

src/build/libgnuregex/regex.c

#define REG_UNSET(e) ((e) == REG_UNSET_VALUE)

src/build/libgnuregex/regex.c

= old_regstart[mcnt] = old_regend[mcnt] = REG_UNSET_VALUE;