使用Python调用DLL函数时出现ctypes.ArgumentError

ctypes 官方文档：[Python 3.5]：ctypes-
Python的外部函数库
。

创建了一个虚拟 .dll 来模仿您的行为。

dll.c ：

#include <stdio.h>#include <Windows.h>__declspec(dllexport) BOOL InitNetwork(char LocalIP[], char ServerIP[], int LocalDeviceID) {    printf("From C:ntLocalIP: [%s]ntServerIP: [%s]ntLocalDeviceID: %dn", LocalIP, ServerIP, LocalDeviceID);    return TRUE;}

检查[SO]：如何编译用C编写的64位dll？（@CristiFati的答案）以获取有关如何构建它的详细信息（采取了完全相同的步骤，在这种情况下，命令是：）

cl /nologo /LD /DWIN64/DWIN32 /Tp dll.c /link /OUT:NetServerInterface.dll

（主要）问题在于，在 Python3中 ，

char*

pre.py ：

import sysimport ctypesfrom ctypes import wintypesFILE_NAME = "NetServerInterface.dll"FUNC_NAME = "?InitNetwork@@YAHQEAD0H@Z"  # Name different than yours: if func was declared as `extern "C"`, the "normal" name would be requireddef main():    net_server_interface_dll = ctypes.CDLL(FILE_NAME)    init_network = getattr(net_server_interface_dll, FUNC_NAME)    init_network.argtypes = [ctypes.c_char_p, ctypes.c_char_p, ctypes.c_int]    init_network.restype = wintypes.BOOL    init_network(b"192.168.1.103", b"192.168.1.103", 1111)if __name__ == "__main__":    print("Python {:s} on {:s}n".format(sys.version, sys.platform))    main()

输出 ：

(py35x64_test)

e:WorkDevStackOverflowq050325050>”e:WorkDevVEnvspy35x64_testscriptspython.exe”
pre.py
Python 3.5.4 (v3.5.4:3f56838, Aug 8 2017, 02:17:05) [MSC v.1900 64 bit
(AMD64)] on win32

From C:        LocalIP: [192.168.1.103]        ServerIP: [192.168.1.103]        LocalDeviceID: 1111