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Call a function in a shared library: Difference between revisions
Call a function in a shared library (view source)
Revision as of 21:27, 22 December 2020
, 3 years ago→{{header|Lua}}: added Lua solution
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end if</lang>
=={{header|Lua}}==
There is no built-in mechanism, but several external library options exist. Here, the alien library is used to display a message box via the Win32 API.
<lang lua>alien = require("alien")
msgbox = alien.User32.MessageBoxA
msgbox:types({ ret='long', abi='stdcall', 'long', 'string', 'string', 'long' })
retval = msgbox(0, 'Please press Yes, No or Cancel', 'The Title', 3)
print(retval) --> 6, 7 or 2</lang>
=={{header|Maple}}==
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