Well, then you should always use 64-bit types. Using uint32_t instead of size_t on a 64-bit platform will bite you eventually. size_t is also used extensively a

Well, then you should always use 64-bit types. Using uint32_t instead of size_t on a 64-bit platform will bite you eventually. size_t is also used extensively and for good reason in the standard library. Code like the following is a disaster waiting to happen: uint32_t len = strlen(str);