pcre_uchar        257 ext/pcre/pcrelib/pcre_internal.h typedef unsigned char pcre_uchar;
pcre_uchar        270 ext/pcre/pcrelib/pcre_internal.h typedef pcre_uint16 pcre_uchar;
pcre_uchar        278 ext/pcre/pcrelib/pcre_internal.h typedef pcre_uint32 pcre_uchar;