diff --git a/programs/develop/ktcc/trunk/libc/build.bat b/programs/develop/ktcc/trunk/libc/build.bat
index cc8ef624d3..0d16df02f6 100644
--- a/programs/develop/ktcc/trunk/libc/build.bat
+++ b/programs/develop/ktcc/trunk/libc/build.bat
@@ -28,12 +28,14 @@ pause
 goto :eof
 
 :Compile_C
+echo compile .c %1
    %CC% %CFLAGS% %1 -o "%~dpn1.o"
    if not %errorlevel%==0 goto Error_Failed
    set objs=%objs% "%~dpn1.o"
 goto :eof
 
 :Compile_Asm
+echo compile .asm %1
    %ASM% %1 "%~dpn1.o"
    if not %errorlevel%==0 goto Error_Failed
    set objs=%objs% "%~dpn1.o"
@@ -50,6 +52,7 @@ goto :Exit_OK
       for %%f in ("%%a\*.asm") do call :Compile_Asm "%%f"
       for %%f in ("%%a\*.c") do call :Compile_C "%%f"
    )
+   echo calling AR
    %AR% -ru %LIBNAME% %objs%
    if not %errorlevel%==0 goto Error_Failed
 goto Exit_OK
diff --git a/programs/develop/ktcc/trunk/libc/kolibrisys/cofflib.asm b/programs/develop/ktcc/trunk/libc/kolibrisys/cofflib.asm
index bc3e61edc1..8de57ed061 100644
--- a/programs/develop/ktcc/trunk/libc/kolibrisys/cofflib.asm
+++ b/programs/develop/ktcc/trunk/libc/kolibrisys/cofflib.asm
@@ -31,8 +31,9 @@ proc  _ksys_cofflib_getproc stdcall, export:dword,name:dword
 
         xor eax,eax
         mov al,[ecx]
-        test al,al
-        jz exit_check_simbol
+;	siemargl moved to post-check
+;        test al,al
+;        jz exit_check_simbol
 
                 xor edx,edx
                 mov dl,[esi]
@@ -41,6 +42,8 @@ proc  _ksys_cofflib_getproc stdcall, export:dword,name:dword
                         add edi,1
                         jmp exit_check_simbol
                 simbols_equvalent:
+        test al,al
+        jz exit_check_simbol
 
 		  ;pushad
 
diff --git a/programs/develop/ktcc/trunk/libc/stdio/fwrite.c b/programs/develop/ktcc/trunk/libc/stdio/fwrite.c
index 2235ddabeb..5acd588d08 100644
--- a/programs/develop/ktcc/trunk/libc/stdio/fwrite.c
+++ b/programs/develop/ktcc/trunk/libc/stdio/fwrite.c
@@ -1,6 +1,8 @@
 #include <stdio.h>
 #include <kolibrisys.h>
 
+// dont support return partial writing when fail
+// only 32-bit filesize
 int fwrite(void *buffer,int size,int count,FILE* file)
 {
 	dword res;
@@ -56,8 +58,7 @@ int fwrite(void *buffer,int size,int count,FILE* file)
 			if (res==0)
 			{
 				file->filepos+=fullsize;
-				fullsize=fullsize/count;
-				return(fullsize);
+				return(count);
 			} else
             {
                 errno = -res;
@@ -70,8 +71,7 @@ int fwrite(void *buffer,int size,int count,FILE* file)
 			if (res==0)
 			{
 				file->filepos+=fullsize;
-				fullsize=fullsize/count;
-				return(fullsize);
+				return(count);
 			} else
             {
                 errno = -res;