+#define skip_next _I++
+#define if_exists(NODE,HEAD,EXPR) for_search(NODE,HEAD,EXPR) break; if(NODE)
+#define if_args if(argc>1)
+#define switch_for_args for_args switch_str(this_arg)
+#define switch_str(STR) _NEW(S,STR)
+#define if_case(VAL) if(eq(argv[_I],VAL))
+#define for_fields(FIELD,STR) for_valid_split(FIELD,STR,*OFS)
+#define for_split_str(A,B,C) for(prefix(A,B,C);A;(A!=B)&&prefix(A,B,C)||(A=NULL))
+#define for_valid_split(A,B,C) for_split_str(A,B,C) if(*A)
+#define switch_for_columns(A,B,C) _FOR_COLUMNS(A,B,C) switch(__I)
+#define switch_for_valid_columns(A,B,C) _FOR_VALID_COLUMNS(A,B,C) switch (_I)
+#define if_column_number(A,B,C,V) _FOR_COLUMNS(A,B,C) if(_I==V)
+#define if_valid_column_number(A,B,C,V) _FOR_VALID_COLUMNS(A,B,C) if(_I==V)
+/* .----------------------------------------------------------------------.
+ / 8. C<<1 object oriented infrastructure, updated 2008-01-31
+ '----------------------------------------------------------------------- */
+#define I_must_be(TYPE) TYPE self, void *_method
+#define we_can_be(TYPE) TYPE _we, void *_method
+#define we_can_be_whatever void *_we, void *_method
+#define I_am(TYPE) TYPE self=(TYPE)_we
+#define def_community(METATYPE,ITYPE) def_mem(METATYPE) { ITYPE __interface; };
+#define construct_interface(MTYPE,ITYPE) ITYPE _init_##MTYPE##ITYPE(void *dummy, ...) { new_mem(_FACE,ITYPE); va_list(ap); _##MTYPE##ITYPE##_init(_FACE); return _FACE; } void _##MTYPE##ITYPE##_init(struct IFACE *_FACE)
+#define bind_method(METHOD,FUNCTION) _FACE->METHOD=FUNCTION
+#define new_interface(ID,MTYPE,...) _ARG1(__VA_ARGS__,) ID=_init_##MTYPE##_ARG1(__VA_ARGS__,) ((void *)init_##MTYPE##__VA_ARGS__,)
+#define init_interface(TYPE,...)
+#define construct_object(TYPE,...) (struct _ARG2(__VA_ARGS__,TYPE,) *)_init_##TYPE##_()
+#define init_object(TYPE,...) (TYPE)_init_##TYPE##_(__VA_ARGS__)
+#define init_polymorph(TYPE,...) _init_##TYPE##_(__VA_ARGS__)
+#define _(OBJECT,...) ( _ASSERT(OBJECT), (*( OBJECT->interface->_ARG1(__VA_ARGS__,) )) ( OBJECT,OBJECT->interface->__VA_ARGS__ ) )
+#define __(OBJECT,...) ( _ASSERT(OBJECT), (*( __cll1_seekmethod(OBJECT->interface,_ARG1(__VA_ARGS__,)) )) ( OBJECT,OBJECT->interface->__VA_ARGS__ ) )
+#define call(OBJTYPE,METHOD,...) { int _N=0; struct OBJTYPE *_OBJ; /* <-' */ while( (_OBJ=(struct OBJTYPE *)_cll1_for_ptrs(_N++,__VA_ARGS__,NIL))!=(struct OBJTYPE *)NIL ) _(_OBJ,METHOD); }
+/* .----------------------------------------------------------------------.
+ / 9. implementation of C<<1 library functions, updated 2008-01-26 xCh.
+ '----------------------------------------------------------------------- */
+#define _MALLOC void *_cll1_malloc(size_t size,...) { /*temporary solution*/ return malloc(size); }
+#define _CLL1_FPRINT(IOSTREAM) { int ofs=0; va_list ap; /* <-' */ for(va_start(ap,s);s!=NIL;s=va_arg(ap,char *)) { if(ofs)fputs(OFS,IOSTREAM);else ofs=1;/**/fputs(coalesce(s,NIL),IOSTREAM); } va_end(ap); fputs(EOL,IOSTREAM); }
+#define _DECLARE_PRINT void _cll1_print(char *s,...)
+#define _PRINT _DECLARE_PRINT _CLL1_FPRINT(stdout)
+#define _DECLARE_FPRINT void _cll1_fprint(FILE *f,char *s,...)
+#define _FPRINT _DECLARE_FPRINT _CLL1_FPRINT(f)
+#define _CLL1_FECHO(IOSTREAM) { va_list ap; /* <-' */ for(va_start(ap,s);s!=NIL;s=va_arg(ap,char *)) fputs(coalesce(s,NIL),IOSTREAM); va_end(ap); }
+#define _ECHO void _cll1_echo(char *s,...) _CLL1_FECHO(stdout)
+#define _FECHO void _cll1_fecho(FILE *f,char *s,...) _CLL1_FECHO(f)
+#define _FOR_INTS int _cll1_for_ints(int i, int n, ...) { int j=0;va_list ap; /* <-' */ va_start(ap,n); while(n!=WEIRDINT && j++<i) n=va_arg(ap,int); return n; }
+#define _FOR_PTRS void *_cll1_for_ptrs(int i, void *v, ...) { int j=0;va_list ap; /* <-' */ va_start(ap,v); while(v!=(void *)NIL && j++<i) v=va_arg(ap,void *); return v; }
+#define _STRCMP int _cll1_str_cmp(char *a,char *b) { if(a && b) return strcoll(a,b); else return (int)(a-b); }
+//#define _STRCMPI int _cll1_str_cmpi(char *a,char *b) { if(a && b) return strcasecmp(a,b); else return (int)(a-b); }
+#define _STRSTR char *_cll1_str_str(char *h,char *n) { if(h && n) return strstr(h,n); else return NULL; }
+//#define _WORDINSTR char *_cll1_wordinstr(char *a,char *b,int ign) { char *IFS=a; for(;a&&*a;a++) for(;*ifs||ifs=IFS;ifs++) if(*a=b);) for return strcasestr(a,b); else return NULL; }
+extern _DECLARE_PRINT;
+extern _DECLARE_FPRINT;
+#define _EXPORT_OUTS _PRINT _FPRINT _ECHO _FECHO
+#define _EXPORT_STRS _STRCMP /*_STRCMPI*/ _STRSTR //_WORDINSTR
+#define _EXPORT_ARGS _FOR_INTS _FOR_PTRS
+/* .----------------------------------------------------------------------.
+ / 10. C<<1 private infrastructure, updated 2008-02-03 by xCh.
+ '----------------------------------------------------------------------- */
+#define _I (_Iatom->I)
+#define _S (_Satom->S)
+#define _F (_Fatom->F)
+#define _CTX (_CTXatom->CTX)
+#define _ARG1(ARG1,...) ARG1
+#define _ARG2(ARG1,ARG2,...) ARG2
+#define _GET_MEM(TYPE,CTX) ((TYPE)_cll1_malloc(sizeof(struct _##TYPE##_t),CTX))
+#define _ANYATOM(TYPE,NAME) def_mem(_##NAME##Atom ) { TYPE NAME; int c; list( _##NAME##Atom ); }
+#define _FOR_COLUMNS(A,B,C) _NEW(I,0) for( prefix(A,B,C) ; A ; ((A!=B)&&prefix(A,B,C)||(A=NULL) ),_I++ )
+#define _FOR_VALID_COLUMNS(A,B,C) _NEW(I,0) for( prefix(A,B,C) ; A ; ((A!=B)&&prefix(A,B,C))||(A=NULL) ) if(*A&&++_I)
+#define _NEW(NAME,VALUE) for(_##NAME##atom=get_mem(_##NAME##Atom),_##NAME##atom->NAME=(VALUE),_##NAME##atom->c=1,push(_##NAME##atom,_##NAME##stack);_##NAME##atom->c||(pop(_##NAME##atom,_##NAME##stack),0);_##NAME##atom->c--)
+#define _ANYSTACK(NAME) _##NAME##Atom _##NAME##atom,_##NAME##stack=NULL;
+#define _EXPORT_STACKS _ANYSTACK(I) _ANYSTACK(S) _ANYSTACK(F) _ANYSTACK(CTX)
+_ANYATOM(int,I);
+_ANYATOM(str,S);
+_ANYATOM(FILE *,F);
+_ANYATOM(void *,CTX);
+/* .----------------------------------------------------------------------.
+ / 11. C<<1 memory contexts - alternative to garbage collection
+ '----------------------------------------------------------------------- */
+typedef _CTXAtom * context;
+#define create_context(ID) create_mem(ID,context)
+/* .----------------------------------------------------------------------.
+ / 12. C<<1 CGI and FASTCGI handling, updated 2008-01-16 by xCh.
+ '----------------------------------------------------------------------- */