prom_stdout_ihandle
if (promif_redirect != NULL && fd == prom_stdout_ihandle()) {
istdout = prom_stdout_ihandle();
while (prom_write(prom_stdout_ihandle(),
if (prom_write(prom_stdout_ihandle(), &c, 1, 0, BYTE) > 0)
if ((istdout = prom_stdout_ihandle()) == (ihandle_t)-1)
istdin = prom_stdout_ihandle();
extern ihandle_t prom_stdout_ihandle(void);
istdout = prom_stdout_ihandle();