cbit_lower        110 srclib/pcre/maketables.c     p[cbit_lower  + i/8] |= 1 << (i&7);
cbit_lower        167 srclib/pcre/pcre.c   cbit_lower, cbit_upper, -1,             /* alpha */
cbit_lower        168 srclib/pcre/pcre.c   cbit_lower, -1,         -1,             /* lower */
cbit_lower        170 srclib/pcre/pcre.c   cbit_digit, cbit_lower, cbit_upper,     /* alnum */