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<TR>
<TD width=3D10></TD>
<TD><SPAN id=3DArticleContent1_ArticleContent1_lblContent>
<P><FONT=20
face=3D"Courier =
New"><BR><STRONG>=B2=E9=BF=B4=D5=BB=D0=C5=CF=A2<BR>=A1=AA=A1=AA=A1=AA=A1=AA=
=A1=AA</STRONG></FONT></P>
<P><FONT=20
face=3D"Courier =
New">=B5=B1=B3=CC=D0=F2=B1=BB=CD=A3=D7=A1=C1=CB=A3=AC=C4=E3=D0=E8=D2=AA=D7=
=F6=B5=C4=B5=DA=D2=BB=BC=FE=CA=C2=BE=CD=CA=C7=B2=E9=BF=B4=B3=CC=D0=F2=CA=C7=
=D4=DA=C4=C4=C0=EF=CD=A3=D7=A1=B5=C4=A1=A3=B5=B1=C4=E3=B5=C4=B3=CC=D0=F2=B5=
=F7=D3=C3=C1=CB=D2=BB=B8=F6=BA=AF=CA=FD=A3=AC=BA=AF=CA=FD=B5=C4=B5=D8=D6=B7=
=A3=AC=BA=AF=CA=FD=B2=CE=CA=FD=A3=AC=BA=AF=CA=FD=C4=DA=B5=C4=BE=D6=B2=BF=B1=
=E4=C1=BF=B6=BC=BB=E1=B1=BB=D1=B9=C8=EB=A1=B0=D5=BB=A1=B1=A3=A8Stack=A3=A9=
=D6=D0=A1=A3=C4=E3=BF=C9=D2=D4=D3=C3GDB=C3=FC=C1=EE=C0=B4=B2=E9=BF=B4=B5=B1=
=C7=B0=B5=C4=D5=BB=D6=D0=B5=C4=D0=C5=CF=A2=A1=A3</FONT></P>
<P><FONT face=3D"Courier =
New">=CF=C2=C3=E6=CA=C7=D2=BB=D0=A9=B2=E9=BF=B4=BA=AF=CA=FD=B5=F7=D3=C3=D5=
=BB=D0=C5=CF=A2=B5=C4GDB=C3=FC=C1=EE=A3=BA</FONT></P>
<P><FONT face=3D"Courier New"> backtrace=20
<BR> bt=20
<BR> =20
=
=B4=F2=D3=A1=B5=B1=C7=B0=B5=C4=BA=AF=CA=FD=B5=F7=D3=C3=D5=BB=B5=C4=CB=F9=D3=
=D0=D0=C5=CF=A2=A1=A3=C8=E7=A3=BA<BR> =
=20
<BR> (gdb)=20
bt<BR> #0 =
func=20
(n=3D250) at =
tst.c:6<BR> =20
#1 0x08048524 in main (argc=3D1, argv=3D0xbffff674) at =
tst.c:30<BR> =
#2 =20
0x400409ed in __libc_start_main () from=20
/lib/libc.so.6<BR> =
<BR> =20
=
=B4=D3=C9=CF=BF=C9=D2=D4=BF=B4=B3=F6=BA=AF=CA=FD=B5=C4=B5=F7=D3=C3=D5=BB=D0=
=C5=CF=A2=A3=BA__libc_start_main --> main() -->=20
func()<BR> =20
<BR> <BR> backtrace=20
<n><BR> bt <n>=20
<BR> =20
=
n=CA=C7=D2=BB=B8=F6=D5=FD=D5=FB=CA=FD=A3=AC=B1=ED=CA=BE=D6=BB=B4=F2=D3=A1=
=D5=BB=B6=A5=C9=CFn=B2=E3=B5=C4=D5=BB=D0=C5=CF=A2=A1=A3</FONT></P>
<P><FONT face=3D"Courier New"> backtrace =
<-n>=20
<BR> bt <-n>=20
<BR> =20
=
-n=B1=ED=D2=BB=B8=F6=B8=BA=D5=FB=CA=FD=A3=AC=B1=ED=CA=BE=D6=BB=B4=F2=D3=A1=
=D5=BB=B5=D7=CF=C2n=B2=E3=B5=C4=D5=BB=D0=C5=CF=A2=A1=A3<BR> &n=
bsp; =20
=
<BR>=C8=E7=B9=FB=C4=E3=D2=AA=B2=E9=BF=B4=C4=B3=D2=BB=B2=E3=B5=C4=D0=C5=CF=
=A2=A3=AC=C4=E3=D0=E8=D2=AA=D4=DA=C7=D0=BB=BB=B5=B1=C7=B0=B5=C4=D5=BB=A3=AC=
=D2=BB=B0=E3=C0=B4=CB=B5=A3=AC=B3=CC=D0=F2=CD=A3=D6=B9=CA=B1=A3=AC=D7=EE=B6=
=A5=B2=E3=B5=C4=D5=BB=BE=CD=CA=C7=B5=B1=C7=B0=D5=BB=A3=AC=C8=E7=B9=FB=C4=E3=
=D2=AA=B2=E9=BF=B4=D5=BB=CF=C2=C3=E6=B2=E3=B5=C4=CF=EA=CF=B8=D0=C5=CF=A2=A3=
=AC=CA=D7=CF=C8=D2=AA=D7=F6=B5=C4=CA=C7=C7=D0=BB=BB=B5=B1=C7=B0=D5=BB=A1=A3=
</FONT></P>
<P><FONT face=3D"Courier New"> frame =
<n>=20
<BR> f <n>=20
<BR> =20
=
n=CA=C7=D2=BB=B8=F6=B4=D30=BF=AA=CA=BC=B5=C4=D5=FB=CA=FD=A3=AC=CA=C7=D5=BB=
=D6=D0=B5=C4=B2=E3=B1=E0=BA=C5=A1=A3=B1=C8=C8=E7=A3=BAframe =
0=A3=AC=B1=ED=CA=BE=D5=BB=B6=A5=A3=ACframe=20
=
1=A3=AC=B1=ED=CA=BE=D5=BB=B5=C4=B5=DA=B6=FE=B2=E3=A1=A3<BR> &n=
bsp; <BR> up=20
<n><BR> =20
=
=B1=ED=CA=BE=CF=F2=D5=BB=B5=C4=C9=CF=C3=E6=D2=C6=B6=AFn=B2=E3=A3=AC=BF=C9=
=D2=D4=B2=BB=B4=F2n=A3=AC=B1=ED=CA=BE=CF=F2=C9=CF=D2=C6=B6=AF=D2=BB=B2=E3=
=A1=A3=20
<BR> =20
<BR> down <n>=20
<BR> =20
=
=B1=ED=CA=BE=CF=F2=D5=BB=B5=C4=CF=C2=C3=E6=D2=C6=B6=AFn=B2=E3=A3=AC=BF=C9=
=D2=D4=B2=BB=B4=F2n=A3=AC=B1=ED=CA=BE=CF=F2=CF=C2=D2=C6=B6=AF=D2=BB=B2=E3=
=A1=A3=20
<BR> </FONT></P>
<P><FONT face=3D"Courier New"> =20
=
=C9=CF=C3=E6=B5=C4=C3=FC=C1=EE=A3=AC=B6=BC=BB=E1=B4=F2=D3=A1=B3=F6=D2=C6=B6=
=AF=B5=BD=B5=C4=D5=BB=B2=E3=B5=C4=D0=C5=CF=A2=A1=A3=C8=E7=B9=FB=C4=E3=B2=BB=
=CF=EB=C8=C3=C6=E4=B4=F2=B3=F6=D0=C5=CF=A2=A1=A3=C4=E3=BF=C9=D2=D4=CA=B9=D3=
=C3=D5=E2=C8=FD=B8=F6=C3=FC=C1=EE=A3=BA<BR> =20
=
<BR> =20
select-frame <n> =B6=D4=D3=A6=D3=DA frame=20
=
=C3=FC=C1=EE=A1=A3<BR> &nb=
sp; =20
up-silently <n> =B6=D4=D3=A6=D3=DA up=20
=
=C3=FC=C1=EE=A1=A3<BR> &nb=
sp; =20
down-silently <n> =B6=D4=D3=A6=D3=DA down =
=C3=FC=C1=EE=A1=A3</FONT></P>
<P><FONT face=3D"Courier New"> =20
=
<BR>=B2=E9=BF=B4=B5=B1=C7=B0=D5=BB=B2=E3=B5=C4=D0=C5=CF=A2=A3=AC=C4=E3=BF=
=C9=D2=D4=D3=C3=D2=D4=CF=C2GDB=C3=FC=C1=EE=A3=BA</FONT></P>
<P><FONT face=3D"Courier New"> frame =
=BB=F2 f=20
<BR> =20
=
=BB=E1=B4=F2=D3=A1=B3=F6=D5=E2=D0=A9=D0=C5=CF=A2=A3=BA=D5=BB=B5=C4=B2=E3=B1=
=E0=BA=C5=A3=AC=B5=B1=C7=B0=B5=C4=BA=AF=CA=FD=C3=FB=A3=AC=BA=AF=CA=FD=B2=CE=
=CA=FD=D6=B5=A3=AC=BA=AF=CA=FD=CB=F9=D4=DA=CE=C4=BC=FE=BC=B0=D0=D0=BA=C5=A3=
=AC=BA=AF=CA=FD=D6=B4=D0=D0=B5=BD=B5=C4=D3=EF=BE=E4=A1=A3<BR> =
=20
<BR> info frame <BR> =
info f=20
<BR> =20
=
=D5=E2=B8=F6=C3=FC=C1=EE=BB=E1=B4=F2=D3=A1=B3=F6=B8=FC=CE=AA=CF=EA=CF=B8=B5=
=C4=B5=B1=C7=B0=D5=BB=B2=E3=B5=C4=D0=C5=CF=A2=A3=AC=D6=BB=B2=BB=B9=FD=A3=AC=
=B4=F3=B6=E0=CA=FD=B6=BC=CA=C7=D4=CB=D0=D0=CA=B1=B5=C4=C4=DA=C4=DA=B5=D8=D6=
=B7=A1=A3=B1=C8=C8=E7=A3=BA=BA=AF=CA=FD=B5=D8=D6=B7=A3=AC=B5=F7=D3=C3=BA=AF=
=CA=FD=B5=C4=B5=D8=D6=B7=A3=AC=B1=BB=B5=F7=D3=C3=BA=AF=CA=FD=B5=C4=B5=D8=D6=
=B7=A3=AC=C4=BF=C7=B0=B5=C4=BA=AF=CA=FD=CA=C7=D3=C9=CA=B2=C3=B4=D1=F9=B5=C4=
=B3=CC=D0=F2=D3=EF=D1=D4=D0=B4=B3=C9=B5=C4=A1=A2=BA=AF=CA=FD=B2=CE=CA=FD=B5=
=D8=D6=B7=BC=B0=D6=B5=A1=A2=BE=D6=B2=BF=B1=E4=C1=BF=B5=C4=B5=D8=D6=B7=B5=C8=
=B5=C8=A1=A3=C8=E7=A3=BA<BR> &nb=
sp; =20
(gdb) info=20
=
f<BR> =20
Stack level 0, frame at=20
=
0xbffff5d4:<BR> &nbs=
p; =20
eip =3D 0x804845d in func (tst.c:6); saved eip=20
=
0x8048524<BR> =
=20
called by frame at=20
=
0xbffff60c<BR>  =
; =20
source language=20
=
c.<BR> &=
nbsp;=20
Arglist at 0xbffff5d4, args:=20
=
n=3D250<BR> &n=
bsp; =20
Locals at 0xbffff5d4, Previous frame's sp is=20
=
0x0<BR> =
=20
Saved=20
=
registers:<BR>  =
; =20
ebp at 0xbffff5d4, eip at=20
=
0xbffff5d8<BR>  =
; =20
<BR> info=20
args<BR> =20
=
=B4=F2=D3=A1=B3=F6=B5=B1=C7=B0=BA=AF=CA=FD=B5=C4=B2=CE=CA=FD=C3=FB=BC=B0=C6=
=E4=D6=B5=A1=A3<BR> =20
<BR> info=20
locals<BR> =20
=
=B4=F2=D3=A1=B3=F6=B5=B1=C7=B0=BA=AF=CA=FD=D6=D0=CB=F9=D3=D0=BE=D6=B2=BF=B1=
=E4=C1=BF=BC=B0=C6=E4=D6=B5=A1=A3<BR> =
=20
<BR> info=20
catch<BR> =20
=
=B4=F2=D3=A1=B3=F6=B5=B1=C7=B0=B5=C4=BA=AF=CA=FD=D6=D0=B5=C4=D2=EC=B3=A3=B4=
=A6=C0=ED=D0=C5=CF=A2=A1=A3<BR> =
=20
<BR> =20
<BR> =20
<BR> =20
=
<BR><STRONG>=B2=E9=BF=B4=D4=B4=B3=CC=D0=F2<BR>=A1=AA=A1=AA=A1=AA=A1=AA=A1=
=AA</STRONG></FONT></P>
<P><FONT face=3D"Courier =
New"><STRONG>=D2=BB=A1=A2=CF=D4=CA=BE=D4=B4=B4=FA=C2=EB</STRONG></FONT></=
P>
<P><FONT face=3D"Courier New"> GDB=20
=
=BF=C9=D2=D4=B4=F2=D3=A1=B3=F6=CB=F9=B5=F7=CA=D4=B3=CC=D0=F2=B5=C4=D4=B4=B4=
=FA=C2=EB=A3=AC=B5=B1=C8=BB=A3=AC=D4=DA=B3=CC=D0=F2=B1=E0=D2=EB=CA=B1=D2=BB=
=B6=A8=D2=AA=BC=D3=C9=CF-g=B5=C4=B2=CE=CA=FD=A3=AC=B0=D1=D4=B4=B3=CC=D0=F2=
=D0=C5=CF=A2=B1=E0=D2=EB=B5=BD=D6=B4=D0=D0=CE=C4=BC=FE=D6=D0=A1=A3=B2=BB=C8=
=BB=BE=CD=BF=B4=B2=BB=B5=BD=D4=B4=B3=CC=D0=F2=C1=CB=A1=A3=B5=B1=B3=CC=D0=F2=
=CD=A3=CF=C2=C0=B4=D2=D4=BA=F3=A3=ACGDB=BB=E1=B1=A8=B8=E6=B3=CC=D0=F2=CD=A3=
=D4=DA=C1=CB=C4=C7=B8=F6=CE=C4=BC=FE=B5=C4=B5=DA=BC=B8=D0=D0=C9=CF=A1=A3=C4=
=E3=BF=C9=D2=D4=D3=C3list=C3=FC=C1=EE=C0=B4=B4=F2=D3=A1=B3=CC=D0=F2=B5=C4=
=D4=B4=B4=FA=C2=EB=A1=A3=BB=B9=CA=C7=C0=B4=BF=B4=D2=BB=BF=B4=B2=E9=BF=B4=D4=
=B4=B4=FA=C2=EB=B5=C4GDB=C3=FC=C1=EE=B0=C9=A1=A3<BR> =20
<BR> list=20
=
<linenum><BR> =20
=
=CF=D4=CA=BE=B3=CC=D0=F2=B5=DAlinenum=D0=D0=B5=C4=D6=DC=CE=A7=B5=C4=D4=B4=
=B3=CC=D0=F2=A1=A3<BR> <BR> =20
list <function> =
<BR> =20
=
=CF=D4=CA=BE=BA=AF=CA=FD=C3=FB=CE=AAfunction=B5=C4=BA=AF=CA=FD=B5=C4=D4=B4=
=B3=CC=D0=F2=A1=A3<BR> =20
<BR> list=20
<BR> =20
=
=CF=D4=CA=BE=B5=B1=C7=B0=D0=D0=BA=F3=C3=E6=B5=C4=D4=B4=B3=CC=D0=F2=A1=A3<=
BR> <BR> list -=20
<BR> =20
=
=CF=D4=CA=BE=B5=B1=C7=B0=D0=D0=C7=B0=C3=E6=B5=C4=D4=B4=B3=CC=D0=F2=A1=A3<=
/FONT></P>
<P><FONT=20
face=3D"Courier =
New">=D2=BB=B0=E3=CA=C7=B4=F2=D3=A1=B5=B1=C7=B0=D0=D0=B5=C4=C9=CF5=D0=D0=BA=
=CD=CF=C25=D0=D0=A3=AC=C8=E7=B9=FB=CF=D4=CA=BE=BA=AF=CA=FD=CA=C7=CA=C7=C9=
=CF2=D0=D0=CF=C28=D0=D0=A3=AC=C4=AC=C8=CF=CA=C710=D0=D0=A3=AC=B5=B1=C8=BB=
=A3=AC=C4=E3=D2=B2=BF=C9=D2=D4=B6=A8=D6=C6=CF=D4=CA=BE=B5=C4=B7=B6=CE=A7=A3=
=AC=CA=B9=D3=C3=CF=C2=C3=E6=C3=FC=C1=EE=BF=C9=D2=D4=C9=E8=D6=C3=D2=BB=B4=CE=
=CF=D4=CA=BE=D4=B4=B3=CC=D0=F2=B5=C4=D0=D0=CA=FD=A1=A3</FONT></P>
<P><FONT face=3D"Courier New"> set =
listsize=20
<count><BR> =20
=
=C9=E8=D6=C3=D2=BB=B4=CE=CF=D4=CA=BE=D4=B4=B4=FA=C2=EB=B5=C4=D0=D0=CA=FD=A1=
=A3<BR> =20
<BR> show=20
listsize<BR> =20
=
=B2=E9=BF=B4=B5=B1=C7=B0listsize=B5=C4=C9=E8=D6=C3=A1=A3<BR> &=
nbsp; =20
</FONT></P>
<P><FONT face=3D"Courier =
New">list=C3=FC=C1=EE=BB=B9=D3=D0=CF=C2=C3=E6=B5=C4=D3=C3=B7=A8=A3=BA</FO=
NT></P>
<P><FONT face=3D"Courier New"> list =
<first>,=20
<last><BR> =20
=
=CF=D4=CA=BE=B4=D3first=D0=D0=B5=BDlast=D0=D0=D6=AE=BC=E4=B5=C4=D4=B4=B4=FA=
=C2=EB=A1=A3<BR> <BR> =20
list , =
<last><BR> =20
=
=CF=D4=CA=BE=B4=D3=B5=B1=C7=B0=D0=D0=B5=BDlast=D0=D0=D6=AE=BC=E4=B5=C4=D4=
=B4=B4=FA=C2=EB=A1=A3<BR> =20
<BR> list=20
+<BR> =20
=
=CD=F9=BA=F3=CF=D4=CA=BE=D4=B4=B4=FA=C2=EB=A1=A3<BR> &nb=
sp; </FONT></P>
<P><FONT face=3D"Courier =
New">=D2=BB=B0=E3=C0=B4=CB=B5=D4=DAlist=BA=F3=C3=E6=BF=C9=D2=D4=B8=FA=D2=D4=
=CF=C2=D5=E2=C3=C7=B5=C4=B2=CE=CA=FD=A3=BA</FONT></P>
<P><FONT face=3D"Courier New"> =20
<linenum> =
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