F                  92 enc/big5.c     #define F FAILURE
F                 150 enc/big5.c     #undef F
F                  75 enc/cp949.c    #define F FAILURE
F                 115 enc/cp949.c    #undef F
F                  70 enc/emacs_mule.c #define F FAILURE
F                 201 enc/emacs_mule.c #undef F
F                  56 enc/euc_jp.c   #define F FAILURE
F                 115 enc/euc_jp.c   #undef F
F                  53 enc/euc_kr.c   #define F FAILURE
F                  93 enc/euc_kr.c   #undef F
F                  53 enc/euc_tw.c   #define F FAILURE
F                 129 enc/euc_tw.c   #undef F
F                  67 enc/gb18030.c  #define F FAILURE
F                 143 enc/gb18030.c  #undef F
F                  75 enc/gbk.c      #define F FAILURE
F                 115 enc/gbk.c      #undef F
F                 167 enc/shift_jis.c #define F FAILURE
F                 207 enc/shift_jis.c #undef F
F                 158 enc/unicode.c  #define F ONIGENC_CASE_FOLD
F                 172 enc/unicode.c  #undef F
F                  73 enc/utf_8.c    #define F FAILURE
F                 221 enc/utf_8.c    #undef F
F                 243 ext/digest/md5/md5.c #define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
F                  67 ext/digest/rmd160/rmd160.c #define F(x, y, z)	((x) ^ (y) ^ (z))