misc/magic - platform/external/nasm - Git at Google

 # Put the following lines in your /etc/magic file to get 'file' to recognise
 # RDOFF Object Files

 0       string          RDOFF           RDOFF Object File
 >5      byte            >32             version %c (little endian)
 >5      byte            <32             version %d (big endian)
	# Put the following lines in your /etc/magic file to get 'file' to recognise
	# RDOFF Object Files

	0 string RDOFF RDOFF Object File
	>5 byte >32 version %c (little endian)
	>5 byte <32 version %d (big endian)