pcre32_study      635 ext/pcre/pcrelib/pcre.h PCRE_EXP_DECL pcre32_extra *pcre32_study(const pcre32 *, int, const char **);
pcre32_study     1456 ext/pcre/pcrelib/pcre_study.c pcre32_study(const pcre32 *external_re, int options, const char **errorptr)