June 2018 Update

Task/Call-a-function-in-a-shared-library/Python/call-a-function-in-a-shared-library-2.py

@@ -0,0 +1,7 @@
+>>> import ctypes
+>>> # libc = ctypes.cdll.msvcrt # Windows
+>>> # libc = ctypes.CDLL('libc.dylib') # Mac
+>>> libc = ctypes.CDLL('libc.so') # Linux and most other *nix
+>>> libc.printf(b'hi there, %s\n', b'world')
+hi there, world.
+17

Task/Call-a-function-in-a-shared-library/Python/call-a-function-in-a-shared-library-3.py

@@ -0,0 +1,10 @@
+>>> from cffi import FFI
+>>> ffi = FFI()
+>>> ffi.cdef("""
+...     int printf(const char *format, ...);   // copy-pasted from the man page
+... """)
+>>> C = ffi.dlopen(None)                     # loads the entire C namespace
+>>> arg = ffi.new("char[]", b"world")         # equivalent to C code: char arg[] = "world";
+>>> C.printf(b"hi there, %s.\n", arg)         # call printf
+hi there, world.
+17