extern guestfs_h *g;
extern int quit;
extern int verbose;
-extern int issue_command (const char *cmd, char *argv[]);
+extern int issue_command (const char *cmd, char *argv[], const char *pipe);
extern void pod2text (const char *heading, const char *body);
extern void list_builtin_commands (void);
extern void display_builtin_command (const char *cmd);