ctype_letter      181 ext/pcre/pcrelib/dftables.c   ctype_space, ctype_letter, ctype_digit, ctype_xdigit, ctype_word,
ctype_letter     5595 ext/pcre/pcrelib/pcre_compile.c          || (MAX_255(ptr[1]) && ((cd->ctypes[ptr[1]] & ctype_letter) != 0))))
ctype_letter     5604 ext/pcre/pcrelib/pcre_compile.c       while (MAX_255(*ptr) && (cd->ctypes[*ptr] & ctype_letter) != 0) ptr++;
ctype_letter      134 ext/pcre/pcrelib/pcre_maketables.c   if (isalpha(i)) x += ctype_letter;
ctype_letter      580 ext/pcre/pcrelib/pcre_study.c if (caseless && (cd->ctypes[c] & ctype_letter) != 0) SET_BIT(cd->fcc[c]);
ctype_letter      611 ext/pcre/pcrelib/pcre_study.c if (caseless && (cd->ctypes[c] & ctype_letter) != 0) SET_BIT(cd->fcc[c]);