FI                322 lib/common/md5.c #define FI(b, c, d) (c ^ (b | ~d))
FI                322 lib/gnu/md5.c  #define FI(b, c, d) (c ^ (b | ~d))
FI                224 maint/gnulib/lib/md5.c #define FI(b, c, d) (c ^ (b | ~d))