pcre_copy_substring  561 ext/pcre/pcrelib/pcre.h PCRE_EXP_DECL int  pcre_copy_substring(const char *, int *, int, int,
pcre_copy_substring  408 ext/pcre/pcrelib/pcre_get.c return pcre_copy_substring(subject, ovector, stringcount, n, buffer, size);