Podawanie ścieżki programu

#include <windows.h>
#include <iostream>
#include <ctime>

int main()
{
    PROCESS_INFORMATION pi;
    STARTUPINFO si = { };
    si.cb = sizeof si;
    char cmd[] = "C:/Winamp/winamp.exe";
    if( CreateProcess( NULL, cmd, NULL, NULL, false, 0, NULL, NULL, & si, & pi ) )
    {
        std::cout << "process created, pid: " << pi.dwProcessId << std::endl;
        const auto t1 = std::time( NULL );
        WaitForSingleObject( pi.hProcess, INFINITE );
        const auto t2 = std::time( NULL );
        std::cout << "elapsed time: " << std::difftime( t2, t1 ) << " s" << std::endl;
        CloseHandle( pi.hProcess );
        CloseHandle( pi.hThread );
    }
    else
         std::cout << "error";
   
}