not_bol           710 maint/gnulib/lib/regcomp.c   preg->not_bol = preg->not_eol = 0;
not_bol           469 maint/gnulib/lib/regex.h   unsigned __REPB_PREFIX(not_bol) : 1;
not_bol           387 maint/gnulib/lib/regexec.c   eflags |= (bufp->not_bol) ? REG_NOTBOL : 0;