typedef void builtinserviceexec_fnt(const char *const *args);
builtinserviceexec_fnt NONRETURNING bisexec_environment, bisexec_parameter;
-builtinserviceexec_fnt NONRETURNING bisexec_version;
+builtinserviceexec_fnt NONRETURNING bisexec_version, bisexec_help;
builtinserviceexec_fnt NONRETURNING bisexec_toplevel, bisexec_override, bisexec_reset;
builtinserviceexec_fnt NONRETURNING bisexec_execute;
+extern const char *const builtinservicehelpstrings[];
void execservice(const int synchsocket[], int clientfd) NONRETURNING;
void servicerequest(int sfd) NONRETURNING;