FF_C              300 host/buildvm_lib.c   recffid = ffid = FF_C+1;
FF_C              111 lj_func.c        fn->c.ffid = FF_C;
FF_C              391 lj_obj.h       #define iscfunc(fn)	((fn)->c.ffid == FF_C)
FF_C              392 lj_obj.h       #define isffunc(fn)	((fn)->c.ffid > FF_C)
FF_C              191 lj_state.c       L->dummy_ffid = FF_C;
FF_C              265 lj_state.c       L1->dummy_ffid = FF_C;