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Endianness
From dankwiki
You oughtn't ever need deal with endianness unless you're doing one of three things:
- Writing a specification for a network protocol or file format
- Reading/writing to a network
- Reading/writing to an external file
Compilation
If your compiler isn't properly folding down constant expressions involving byteswaps, the following are defined in linux's asm/byteorder.h:
- __constant_htons()
- __constant_ntohs()
- __constant_htonl()
- __constant_ntohl()
