Trouver le pid d'un processus depuis son nom (C++)

#include <windows.h>
#include <tlhelp32.h>  //th32.lib ou libth32.a
#include <stdio.h>

//---------------------------------------------------
DWORD GetPidByName(char *szProcName)
{
  DWORD dwPID = 0; 
  PROCESSENTRY32 pe = {sizeof(PROCESSENTRY32)};
  HANDLE hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

  if(hSnap != INVALID_HANDLE_VALUE)
  {
    if(Process32First(hSnap, &pe))
    {
      do
      {
        if(strcmpi(pe.szExeFile, szProcName) == 0)
        {
          dwPID = pe.th32ProcessID;
          break;
        }   
      }
      while(Process32Next(hSnap, &pe));
    }
    CloseHandle(hSnap);
  }
  return dwPID;
}

//---------------------------------------------------
int main(void)
{
  printf("PID = %ld\n", GetPidByName("explorer.exe"));
  return 0;
}