The Linux user space API byte swap functions: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/swab.h https://git.ker

The Linux user space API byte swap functions: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/swab.h https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin... https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/byteorder/little_endian.h https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin... https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/byteorder/big_endian.h https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin... https://github.com/torvalds/linux/blob/master/include/uapi/linux/swab.h https://github.com/torvalds/linux/blob/master/include/uapi/l... https://github.com/torvalds/linux/blob/master/include/uapi/linux/byteorder/little_endian.h https://github.com/torvalds/linux/blob/master/include/uapi/l... https://github.com/torvalds/linux/blob/master/include/uapi/linux/byteorder/big_endian.h https://github.com/torvalds/linux/blob/master/include/uapi/l... They are quite similar if not equivalent to the code presented in this article. I assume people far smarter than me have run these things under sanitizers and found no issues. I mean, it's Linux. #include <asm/byteorder.h>