set_bit           176 srclib/pcre/study.c       set_bit(start_bits, tcode[1], caseless, cd);
set_bit           187 srclib/pcre/study.c       set_bit(start_bits, tcode[3], caseless, cd);
set_bit           203 srclib/pcre/study.c       set_bit(start_bits, tcode[1], caseless, cd);