RSTRUCT_EMBED_LEN_SHIFT 1180 include/ruby/ruby.h #define RSTRUCT_EMBED_LEN_SHIFT RSTRUCT_EMBED_LEN_SHIFT
RSTRUCT_EMBED_LEN_SHIFT 1201 include/ruby/ruby.h     (long)((RBASIC(st)->flags >> RSTRUCT_EMBED_LEN_SHIFT) & \
RSTRUCT_EMBED_LEN_SHIFT 1202 include/ruby/ruby.h 	   (RSTRUCT_EMBED_LEN_MASK >> RSTRUCT_EMBED_LEN_SHIFT))
RSTRUCT_EMBED_LEN_SHIFT  580 struct.c               RBASIC(st)->flags |= n << RSTRUCT_EMBED_LEN_SHIFT;