python call c code
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certainly! calling c code from python can be achieved using the ctypes module, which provides a foreign function interface (ffi) for calling functions from dynamic link libraries/shared libraries. in this tutorial, i'll walk you through the process with a step-by-step example.
let's start by creating a simple c function that we want to call from python. save the following c code in a file named example.c:
compile the c code into a shared library. on linux, you can use the following command:
on windows, you can use a similar command with a different output file extension:
now, let's create a python script that loads and calls the c function. save the following python code in a file named example.py:
make sure the compiled shared library (example.so or example.dll) is in the same directory as your python script. then, run the python script:
you should see the output:
congratulations! you have successfully called a c function from python using the ctypes module. you can extend this example by adding more complex c functions and handling different data types in the function arguments and return values.
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