读取另一个进程的命令行参数(Win32 C代码)

#include<windows.h>
#include<stdio.h>
#include <tchar.h>

int main(int argc, char* argv[]) {
    if (argc < 2) {
        printf("Usage: %s <PID>\n", argv[0]);
        return 1;
    }

    DWORD pid = atoi(argv[1]);
    HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pid);
    if (hProcess == NULL) {
        printf("Failed to open process: %lu\n", GetLastError());
        return 1;
    }

    TCHAR commandLine[MAX_PATH];
    SIZE_T size = MAX_PATH;
    if (!ReadProcessMemory(hProcess, PEB_OFFSET(GetCurrentProcess(), Ldr.InMemoryOrderModuleList.Flink), commandLine, size, NULL)) {
        printf("Failed to read process memory: %lu\n", GetLastError());
        CloseHandle(hProcess);
        return 1;
    }

    printf("Command line: %s\n", commandLine);
    CloseHandle(hProcess);
    return 0;
}