struct packet_reader;
enum protocol_version discover_version(struct packet_reader *reader);
+int server_supports_hash(const char *desired, int *feature_supported);
+const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp, int *offset);
int server_supports_v2(const char *c, int die_on_error);
+int server_feature_v2(const char *c, const char **v);
int server_supports_feature(const char *c, const char *feature,
int die_on_error);