printerr
printerr("noproc", TRANSP);
printerr("decode", TRANSP);
static void printerr(char *, char *);
printerr("systemerr", TRANSP);
int printerr;
printerr = 1;
printerr = 0;
if (printerr) {
libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr)
hdl->libzfs_printerr = printerr;