diff --color -ur ktye/i/+/sqlite/sqlite.c sqlite/sqlite.c
--- ktye/i/+/sqlite/sqlite.c	2024-05-26 20:39:33
+++ sqlite/sqlite.c	2024-06-06 14:16:18
@@ -49,13 +49,13 @@
    default:;
     int nb = sqlite3_column_bytes(res, i);
     K c = KC((char *)sqlite3_column_blob(res, i), (size_t)nb);
-    l[i] = Kx(",", l[i], Kx(",", c)); // l,,c
+    l[i] = Kx(",", ref(l[i]), Kx(",:", c)); // l,,c
    }
   }
   row0 = 0;
  }
  
- K t = Kx("+", Kx("!", keys, KL(l, cols)));
+ K t = Kx("+:", Kx("!", keys, KL(l, cols)));
  free(l);
  
  return t;
@@ -67,10 +67,10 @@
 static void addTable(sqlite3 *db, K name, K t){ // add k table to sqlite db (https://qastack.com.de/programming/1711631/improve-insert-per-second-performance-of-sqlite)
  K l2[2]; LK(l2,t);
  
- K p = Kx(",", KC0("INSERT INTO "), Kx("$", ref(name))); // p:"insert into tname values(?,?,..)"
+ K p = Kx(",", KC0("INSERT INTO "), Kx("$:", ref(name))); // p:"insert into tname values(?,?,..)"
  p = Kx(",", p, KC0(" VALUES("));
  
- K q = Kx(",", KC0("CREATE TABLE "), Kx("$", name));     // q:"create table tname(col1 type1, col2 type2, ...)"
+ K q = Kx(",", KC0("CREATE TABLE "), Kx("$:", name));     // q:"create table tname(col1 type1, col2 type2, ...)"
  q = Kx(",", q, KC0("("));
  
  size_t nc = NK(l2[0]);
@@ -79,7 +79,7 @@
  
  for(int i=0;i<nc;i++){
   p = Kx(",", p, Kc('?'));
-  q = Kx(",", q, Kx("$", Kx("@", ref(l2[0]), Ki(i))));
+  q = Kx(",", q, Kx("$:", Kx("@", ref(l2[0]), Ki(i))));
   K ty;
   switch(TK(cols[i])){
   case 'I':  ty = KC0(" INTEGER"); break;
@@ -113,7 +113,7 @@
    case 'I': sqlite3_bind_int(stmt, 1+i, iK(v)); break;
    case 'F': sqlite3_bind_double(stmt, 1+i, fK(v)); break;
    case 'S':;
-    K s = Kx("$", v);
+    K s = Kx("$:", v);
     sqlite3_bind_text(stmt, 1+i, dK(s), NK(s), NULL);
     unref(s);
     break;
@@ -176,7 +176,7 @@
  size_t n= NK(names);
  K *l = malloc(sizeof(K)*n);
  K q = KC("select * from ", 14);
- for(int i=0;i<n;i++) l[i] = getTable(db, Kx(",", ref(q), Kx("$", Kx("@", ref(names), Ki(i))))); // q,$names@i
+ for(int i=0;i<n;i++) l[i] = getTable(db, Kx(",", ref(q), Kx("$:", Kx("@", ref(names), Ki(i))))); // q,$names@i
  K r = Kx("!", names, KL(l, n));
  unref(q);
  free(l);
@@ -232,9 +232,9 @@
  return r;
 }
 
+__attribute__((constructor)) void loadsql();
 
 void loadsql() {
-  exit(-1);
  KR("sqlite", (void*)sqlite, 1);
  KR("sqlq",   (void*)sqlq,   2);
 }
diff --color -ur ktye/i/+/sqlite/sqlite.k sqlite/sqlite.k
--- ktye/i/+/sqlite/sqlite.k	2024-01-11 10:40:45
+++ sqlite/sqlite.k	2024-06-06 14:05:07
@@ -1,7 +1,9 @@
+`"libsqll.dylib"2:(`loadsql;1);
+
 t:+`a`b`c`d!(1 2;3 4.;`abc`def;("alpha";"beta"))
 c:sqlite `t!,t
-s:sqlq[c;"select sum(b) as M from t"]
+/s:sqlq[c;"select sum(b) as M from t"]
 T:sqlite c
-
- \"query ",$$[7.~*s`M;`ok;`fail]
- \"roundtrip ",$$[T~`t!,t;`ok;`fail]
+/
+ "query ",$$[7.~*s`M;`ok;`fail]
+ "roundtrip ",$$[T~`t!,t;`ok;`fail]
diff --color -ur ktye/i/+/mat/mat.c mat/mat.c
--- ktye/i/+/mat/mat.c	2024-01-11 10:40:45
+++ mat/mat.c	2024-06-06 12:50:50
@@ -1,6 +1,6 @@
 #include<stdlib.h>
 #include<string.h>
-#include"../k.h"
+#include"k.h"
 
 // dgesv solve linear system (real)
 //  x: L columns (input matrix)
@@ -351,6 +351,8 @@
 K dgesvD(K x){ return svd(x, 1, 'S'); }
 K zgesvd(K x){ return svd(x, 2, 'N'); }
 K zgesvD(K x){ return svd(x, 2, 'S'); }
+
+__attribute__((constructor)) void loadmat();
 
 void loadmat(){
  KR("dgesv", (void*)dgesv, 2);
diff --color -ur ktye/i/+/mat/mat.k mat/mat.k
--- ktye/i/+/mat/mat.k	2024-01-11 10:40:45
+++ mat/mat.k	2024-06-06 12:59:19
@@ -1,9 +1,10 @@
 /lapack tests
+`"libmat.dylib" 2:(`loadmat;1);
 
-test:{x;y;$[x<y;"ok ";"fail "]," "/:$(x;"<";y)}
-
-FZ:{`f@'x} /ktye convert matrix z to f
-fz:{`f@x } /             vector
+test:{x;y;$[x<y;"ok ";"fail "]," "/$(x;"<";y)}
+abs:{x|-x}
+FZ:{`f$'x} /ktye convert matrix z to f
+fz:{`f$x } /             vector
 
 /dgesv
 A:+(6.80 -6.05 -0.45 8.32 -9.67
diff --color -ur ktye/i/+/draw/align.k draw/align.k
--- ktye/i/+/draw/align.k	2024-01-11 10:40:45
+++ draw/align.k	2024-06-06 14:37:56
@@ -1,3 +1,5 @@
+`"libdraw.dylib"2:(`loaddrw;1);
+`"libray.dylib"2:(`loadray;1);
 
 t:{(`color;255;    `Circle;x,4;`color;0;`text;(x;y;"Abcg",$y))}
 T:{(`color;255*256;`Circle;x,4;`color;0;`Text;(x;y;"Abcg",$y))}
diff --color -ur ktye/i/+/draw/clip.k draw/clip.k
--- ktye/i/+/draw/clip.k	2024-01-11 10:40:45
+++ draw/clip.k	2024-06-06 14:37:52
@@ -1,3 +1,6 @@
+`"libdraw.dylib"2:(`loaddrw;1);
+`"libray.dylib"2:(`loadray;1);
+
 /canvas shows 3 (clipped) black circles
 /cairo 1.17.2 shows only 1
 
diff --color -ur ktye/i/+/draw/draw.c draw/draw.c
--- ktye/i/+/draw/draw.c	2024-01-11 10:40:45
+++ draw/draw.c	2024-06-06 12:50:17
@@ -1,7 +1,7 @@
 #include<stdlib.h>
 #include<string.h>
 #include<cairo.h>
-#include"../k.h"
+#include"k.h"
 
 #include<stdio.h>
 
@@ -290,6 +290,7 @@
 static void rgb24(uint32_t *u, size_t n){ for(int i=0;i<n;i++) u[i] = ((u[i]&0xff)<<16) | ((u[i]&0xff0000)>>16) | u[i]&0xff00; }
 
 
+__attribute__((constructor)) void loaddrw();
 
 void loaddrw(){
  drawcmds = Kx("`color`font`linewidth`rect`Rect`circle`Circle`clip`line`poly`Poly`text`Text");
diff --color -ur ktye/i/+/draw/draw.k draw/draw.k
--- ktye/i/+/draw/draw.k	2024-01-11 10:40:45
+++ draw/draw.k	2024-06-06 14:32:52
@@ -1,3 +1,5 @@
+`"libdraw.dylib"2:(`loaddrw;1);
+`"libray.dylib"2:(`loadray;1);
 d:(`color;123;`Rect;0 0 100 50)
 m:draw[d;100 50]
 
diff --color -ur ktye/i/+/ray/ray.c ray/ray.c
--- ktye/i/+/ray/ray.c	2024-01-11 10:40:45
+++ ray/ray.c	2024-06-06 14:35:53
@@ -18,7 +18,7 @@
 #include<string.h>
 #include"raylib.h"
 #include"rgestures.h"
-#include"../k.h"
+#include"k.h"
 
 
 K png(K); // ../img/img.c
@@ -131,7 +131,9 @@
 }
 
 //show(50;10000#255) /red window 100x50
-K show(K x){ Show(x, Ki(0), Ki(0)); }
+K show(K x){ Show(x, Ki(0), Ki(0)); return Ki(0); }
+
+__attribute__((constructor)) void loadray();
 
 void loadray(){
 	KR("show", (void*)show, 1); // show image from data or png