/* Get Process Name from Process ID. */
/* Build: cl /EHsc EnumProcesses.cpp psapi.lib */
#include <stdio.h>
#include <windows.h>
#include <psapi.h>
#define N 1024
int main()
{
DWORD idProcess[N];
DWORD cb = sizeof(DWORD) * N;
DWORD cbNeeded;
HMODULE hModule;
DWORD cbReturned;
WCHAR szBasename[N];
if (EnumProcesses(idProcess, cb, &cbNeeded))
{
printf_s("Process ID : Process Name\n");
DWORD* p = idProcess;
int n = cbNeeded / sizeof(DWORD);
for (int i = 0; i < n; i++)
{
HANDLE hProc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, idProcess[i]);
if (hProc == NULL)
continue;
if (EnumProcessModules(hProc, &hModule, sizeof(hModule), &cbReturned ))
{
ZeroMemory(szBasename, sizeof(szBasename));
if (GetModuleBaseName(hProc, hModule, (LPSTR)szBasename, sizeof(szBasename)) != 0)
{
printf_s("%d : %s\n", idProcess[i], szBasename);
}
}
CloseHandle(hProc);
}
}
else
{
printf_s("Failed.\n");
}
return 0;
}
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