+#define LY_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
+SCM FNAME ARGLIST ; \
+SCM FNAME ## _proc;\
+void \
+FNAME ## init ()\
+{\
+ FNAME ## _proc \
+ = scm_c_define_gsubr (PRIMNAME,REQ, OPT, VAR, (Scheme_function_unknown) FNAME);\
+ ly_add_function_documentation (PRIMNAME, #ARGLIST, DOCSTRING);\
+}\
+ADD_SCM_INIT_FUNC (FNAME ## init_unique_prefix, FNAME ## init);\
+SCM \
+FNAME ARGLIST\
+
+
+