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Host introspection: Difference between revisions
→{{header|Lua}}: added Lua solution
(Example added in PDP-10 assembly (MACRO-10/TOPS-20).) |
(→{{header|Lua}}: added Lua solution) |
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Endianness: little-endian
</pre>
=={{header|Lua}}==
Pure/native Lua can't do this (and essentially doesn't care). However, Lua is often used in a scripting environment, where such issues may be important, and any needed support would be expected to be provided by the host or some other external library. Here using ffi:
<lang lua>ffi = require("ffi")
print("size of int (in bytes): " .. ffi.sizeof(ffi.new("int")))
print("size of pointer (in bytes): " .. ffi.sizeof(ffi.new("int*")))
print((ffi.abi("le") and "little" or "big") .. " endian")</lang>
{{out}}
<pre>size of int (in bytes): 4
size of pointer (in bytes): 8
little endian</pre>
=={{header|M2000 Interpreter}}==
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