cbits_offset     9060 ext/pcre/pcrelib/pcre_compile.c cd->cbits = tables + cbits_offset;
cbits_offset     2618 ext/pcre/pcrelib/pcre_internal.h #define ctypes_offset (cbits_offset + cbit_length)
cbits_offset     1531 ext/pcre/pcrelib/pcre_study.c   compile_block.cbits = tables + cbits_offset;