win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
{
#ifdef USE_RTL_SPAWNVP
    return spawnvp(mode, cmdname, (char * const *)argv);
#else
    dTHXa(NULL);
    int ret;
    void* env;
    char* dir;
    child_IO_table tbl;
    STARTUPINFO StartupInfo;
    PROCESS_INFORMATION ProcessInformation;
    DWORD create = 0;
    char *cmd;
    char *fullcmd = NULL;
    char *cname = (char *)cmdname;
    STRLEN clen = 0;

    if (cname) {
	clen = strlen(cname);
	/* if command name contains dquotes, must remove them */
...