寻找cTypesUnicode处理的“Hello World”（包括Python和C代码）

Question

有人能给我演示一个非常简单的pythonctypes示例，其中包含Unicode字符串包括C代码？

比方说，一种获取pythonunicode字符串并将其传递给一个C函数的方法，该函数将其与自身连锁并将其返回给Python，后者将其打印出来。在

Answer 1

from ctypes import *

buffer = create_string_buffer(128)
cdll.msvcrt.strcat(buffer, "blah")
print buffer.value

Note: I understand that the Python code is easy, but what I'm struggling with is the C code. Does it need to free its input string? Will its output string get freed by Python on its behalf?

不，您需要自己手动释放缓冲区。人们通常所做的是立即从缓冲值，然后释放缓冲区。在

Can you post the C code? – mike 2 hours ago

^{pr2}$