update

2025.07.27_programming_with_python_and_c/example_1/a.py

@@ -0,0 +1,9 @@
+from ctypes import cdll
+
+lib = cdll.LoadLibrary("libc.so.6")  # Linux 系统
+# lib = cdll.msvcrt  # Windows 系统
+
+# 调用 C 标准库中的 printf 函数，字符串需要编码为 bytes
+message = b"Hello, ctypes!\n"
+result = lib.printf(message)
+print(result)

2025.07.27_programming_with_python_and_c/example_2/a.py

@@ -0,0 +1,8 @@
+from ctypes import cdll
+
+lib = cdll.LoadLibrary('./example.so')  # Linux 系统
+# lib = cdll.LoadLibrary('./example.dll')  # Windows 系统
+
+# 调用 C 函数
+result = lib.add_two_numbers(3, 5)
+print(result)

2025.07.27_programming_with_python_and_c/example_2/example.c

@@ -0,0 +1,3 @@
+int add_two_numbers(int a, int b) {
+    return a + b;
+}