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-rw-r--r--examples/unix/ffi_example.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/examples/unix/ffi_example.py b/examples/unix/ffi_example.py
index 3c3c3d239..a8f02c766 100644
--- a/examples/unix/ffi_example.py
+++ b/examples/unix/ffi_example.py
@@ -24,12 +24,14 @@ print("errno value:", errno.get())
perror("perror after error")
print()
+
def cmp(pa, pb):
a = uctypes.bytearray_at(pa, 1)
b = uctypes.bytearray_at(pb, 1)
print("cmp:", a, b)
return a[0] - b[0]
+
cmp_cb = ffi.callback("i", cmp, "PP")
print("callback:", cmp_cb)