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[leileiruirui]

reads in 4 bytes and interprets them as

1.a 4-byte unsigned number in little ednian repersentation.
2.a 4-byte unsigned number in little big repersentation.
3.a 4-byte two's complement number in little ednian repersentation.
4.a 4-byte two's complement number in big ednian repersentation.


eg:
input:00 00 00 01

output:16777216 1 16777216 1