void (*parse_PU) (AS_t as, const char *name); /* A host or a router, whatever */
void (*parse_AS) (AS_t as, const char *name);
void (*parse_route) (AS_t as, const char *src,
void (*parse_PU) (AS_t as, const char *name); /* A host or a router, whatever */
void (*parse_AS) (AS_t as, const char *name);
void (*parse_route) (AS_t as, const char *src,