fdes              162 src/popen.c    	int fdes;
fdes              171 src/popen.c    	if (pids == 0 || pids[fdes = fileno(iop)] == 0)
fdes              180 src/popen.c    	while ((pid = wait(&stat_loc)) != pids[fdes] && pid != -1) ;
fdes              182 src/popen.c    	pids[fdes] = 0;