It only talks about MSBs and LSBs. It does not specify whether the LSB of the value as the whole resides in the first byte of the memory representation or in the fourth/eighth.
replyAnd of course, if you accept the network byte order as the one intended for the interchange, then IEEE-754 mandates big-endian encoding.
Maybe you are talking past grandparent, but I think they meant "it's safe to assume float and double are IEEE-754," which is not mandated by the C standard.
reply