case_map          322 enc/iso_8859_1.c   case_map,
case_map          220 include/ruby/oniguruma.h   int    (*case_map)(OnigCaseFoldType* flagP, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to, OnigUChar* to_end, const struct OnigEncodingTypeST* enc);
case_map         5792 string.c       	buffer_length_or_invalid = enc->case_map(flags,