Library
Module
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Parameter
Class
Class type
The following operations assume a big-endian byte ordering of the cstruct. If the machine-native byte ordering differs, then the get operations will reorder the bytes so that they are in machine-native byte order before returning the result, and the set operations will reorder the bytes so that they are written out in the appropriate order.
Network byte order is big-endian, so you may need these operations when dealing with raw frames, for example, in a userland networking stack.
get_uint32 t off
returns the four bytes in t
starting at offset off
. t
needs at least read capability rd
.
get_uint64 t off
returns the eight bytes in t
starting at offset off
. t
needs at least read capability rd
.
set_uint16 t off v
sets the two bytes in t
starting at offset off
to the value v
. t
needs at least write capability wr
.
set_uint32 t off v
sets the four bytes in t
starting at offset off
to the value v
. t
needs at least write capability wr
.