external          303 src/filemanager/panelize.c     FILE *external;
external          306 src/filemanager/panelize.c     external = popen (command, "r");
external          307 src/filemanager/panelize.c     if (external == NULL)
external          327 src/filemanager/panelize.c         clearerr (external);
external          328 src/filemanager/panelize.c         if (fgets (line, sizeof (line), external) == NULL)
external          330 src/filemanager/panelize.c             if (ferror (external) != 0 && errno == EINTR)
external          360 src/filemanager/panelize.c     if (pclose (external) < 0)