📄 深入理解c-c++函数指针 - crazy wind's blog - csdnblog.mht
字号:
=
href=3D"http://blog.csdn.net/dongfengsun/archive/2007/01/10/1479096.aspx#=
531650">=E8=83=8C=E6=99=AF=E7=9F=A5=E8=AF=86=EF=BC=9A<BR>1:=E4=BA=86=E8=A7=
=A3Symbian=E7=9A=84=E5=BA=94=E7=94=A8=E6=9E=B6=E6=9E=84=EF=BC=8CSymbian=E7=
=9A=84=E7=B3=BB=E7=BB=9F=E8=A2=AB=E7=A7=B0=E4=B8=BAServer=E7=AB=AF=EF=BC=8C=
=E6=88=91=E4=BB=AC=E8=87=AA=E8=A1=8C=E7=BC=96=E5=88=B6=E7=9A=84=E5=BA=94=E7=
=94=A8=E7=A7=B0=E4=B8=BAClient=E3=80=82<BR>2:Symbian=E5=90=8C=E6=A0=B7=E4=
=B9=9F=E6=98=AF=E9=9D=A0=E4=BA=8B=E4=BB=B6=E9=A9=B1=E5=8A=A8=E7=9A=84=E3=80=
=82<BR>3:=E7=AE=80=E5=8D=95=E6=83=B3=E8=B1=A1GDI=E4=B8=AD=E6=B6=89=E5=8F=8A=
=E7=9A=84=E4=BA=8B=E4=BB=B6=EF=BC=8C=E4=BE=8B=E5=A6=82=EF=BC=9A=E7=BB=98=E5=
=88=B6=E3=80=81=E9=87=8D=E7=BB=98=E7=AD=89=E3=80=82<BR><BR>GDI=E7=9A=84=E4=
=BA=8B=E4=BB=B6=E7=AE=A1=E7=90=86=E5=B8=88RWsSession<BR><BR>=E5=81=9A=E4=B8=
=BAServer->Client=E7=9A=84=E2=80=A6=E2=80=A6</A>
<LI class=3Dlistitem>dongfengsun=EF=BC=9A<A =
title=3D=E7=82=B9=E5=87=BB=E6=9F=A5=E7=9C=8B=E3=80=8A=E5=9B=9E=E5=A4=8D:S=
ymbian=E7=A8=8B=E5=BA=8F=E5=9B=BE=E6=A0=87=E9=97=AE=E9=A2=98=E3=80=8B=20
=
href=3D"http://blog.csdn.net/dongfengsun/archive/2007/01/10/1479096.aspx#=
531646">CONE=20
: =
=E6=8E=A7=E4=BB=B6=E7=8E=AF=E5=A2=83=EF=BC=8C=E6=89=80=E6=9C=89Symban=E6=8E=
=A7=E4=BB=B6=E7=9A=84=E5=9F=BA=E7=B1=BB<BR>UIKON:Symbian=E6=A0=B8=E5=BF=83=
=E6=8E=A7=E4=BB=B6=EF=BC=8CNokia =E7=9A=84 =
s=E7=B3=BB=E5=88=97=E9=87=87=E7=94=A8=E7=9A=84AVKON=E4=B9=9F=E7=BB=A7=20
=E6=89=BF=E4=BA=8E=E6=AD=A4<BR>QIKON:UIQ =
=E6=8E=A7=E4=BB=B6=EF=BC=8CNokia=20
=
=E7=9A=84S=E7=B3=BB=E5=88=97=E9=87=87=E7=94=A8=E7=9A=84=E6=98=AFAVKON<BR>=
<BR>CApaApplication--CONE<BR>|<BR>|<BR>CE=E2=80=A6=E2=80=A6</A></LI></UL>=
</SPAN></SPAN><BR><BR></DIV>
<DIV id=3Dmain>
<DIV class=3DTag>
<SCRIPT language=3Djavascript =
src=3D"http://tag.csdn.net/urltag.aspx"></SCRIPT>
<DIV style=3D"CLEAR: both"></DIV></DIV>
<SCRIPT>function =
StorePage(){d=3Ddocument;t=3Dd.selection?(d.selection.type!=3D'None'?d.se=
lection.createRange().text:''):(d.getSelection?d.getSelection():'');void(=
keyit=3Dwindow.open('http://www.365key.com/storeit.aspx?t=3D'+escape(d.ti=
tle)+'&u=3D'+escape(d.location.href)+'&c=3D'+escape(t),'keyit','scrollbar=
s=3Dno,width=3D475,height=3D575,left=3D75,top=3D20,status=3Dno,resizable=3D=
yes'));keyit.focus();}</SCRIPT>
<DIV class=3Dpost>
<DIV class=3DpostTitle><A=20
href=3D"http://blog.csdn.net/dongfengsun/archive/2007/02/05/1502810.aspx"=
><IMG=20
height=3D13 src=3D"http://blog.csdn.net/images/zhuan.gif" width=3D15=20
border=3D0> =E6=B7=B1=E5=85=A5=E7=90=86=E8=A7=A3C/C++=E5=87=BD=E6=95=
=B0=E6=8C=87=E9=92=88</A> </DIV>
<DIV class=3DpostText>
<DIV>
<H4 class=3DTextColor1 id=3Dsubjcns!68C21584AD4BB2C!120=20
style=3D"MARGIN-BOTTOM: 0px"><FONT=20
color=3D#ff0000>=E5=8E=9F=E6=96=87=E5=9C=B0=E5=9D=80:http://blog.sina.com=
.cn/u/1082089673</FONT></H4>
<H4 class=3DTextColor1 style=3D"MARGIN-BOTTOM: 0px"><FONT=20
color=3D#ff0000>=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E6=95=B0=E7=BB=84=E7=
=9A=84=E5=A6=99=E7=94=A8</FONT></H4>
<P class=3DTextColor1 style=3D"MARGIN-BOTTOM: 0px"> </P>
<DIV id=3Dmsgcns!68C21584AD4BB2C!120>
<DIV><SPAN> =20
=E7=AC=94=E8=80=85=E5=9C=A8=E5=BC=80=E5=8F=91=E6=9F=90=E8=BD=AF=E4=BB=B6=E8=
=BF=87=E7=A8=8B=E4=B8=AD=E9=81=87=E5=88=B0=E8=BF=99=E6=A0=B7=E4=B8=80=E4=B8=
=AA=E9=97=AE=E9=A2=98=EF=BC=8C=E5=89=8D=E7=BA=A7=E6=A8=A1=E5=9D=97=E4=BC=A0=
=E7=BB=99=E6=88=91=E4=BA=8C=E8=BF=9B=E5=88=B6=E6=95=B0=E6=8D=AE=EF=BC=8C=E8=
=BE=93=E5=85=A5=E5=8F=82=E6=95=B0=E4=B8=BA char* buffer=E5=92=8C int=20
length=EF=BC=8Cbuffer=E6=98=AF=E6=95=B0=E6=8D=AE=E7=9A=84=E9=A6=96=E5=9C=B0=
=E5=9D=80=EF=BC=8Clength=E8=A1=A8=E7=A4=BA=E8=BF=99=E6=89=B9=E6=95=B0=E6=8D=
=AE=E7=9A=84=E9=95=BF=E5=BA=A6=E3=80=82=E6=95=B0=E6=8D=AE=E7=9A=84=E7=89=B9=
=E7=82=B9=E6=98=AF=EF=BC=9A=E9=95=BF=E5=BA=A6=E4=B8=8D=E5=AE=9A=EF=BC=8C=E7=
=B1=BB=E5=9E=8B=E4=B8=8D=E5=AE=9A=EF=BC=8C=E7=94=B1=E7=AC=AC=E4=B8=80=E4=B8=
=AA=E5=AD=97=E8=8A=82=EF=BC=88buffer[0]=EF=BC=89=E6=A0=87=E8=AF=86=E8=AF=A5=
=E6=95=B0=E6=8D=AE=E7=9A=84=E7=B1=BB=E5=9E=8B=EF=BC=8C=E5=85=B1=E6=9C=892=
56=EF=BC=8828=20
=EF=BC=89=E7=A7=8D=E5=8F=AF=E8=83=BD=E6=80=A7=E3=80=82=E6=88=91=E7=9A=84=E4=
=BB=BB=E5=8A=A1=E6=98=AF=E5=BF=85=E9=A1=BB=E5=AF=B9=E6=AF=8F=E4=B8=80=E7=A7=
=8D=E5=8F=AF=E8=83=BD=E5=87=BA=E7=8E=B0=E7=9A=84=E6=95=B0=E6=8D=AE=E7=B1=BB=
=E5=9E=8B=E9=83=BD=E8=A6=81=E4=BD=9C=E5=A4=84=E7=90=86=EF=BC=8C=E5=B9=B6=E4=
=B8=94=E6=88=91=E7=9A=84=E6=A8=A1=E5=9D=97=E5=8C=85=E5=90=AB=E8=8B=A5=E5=B9=
=B2=E4=B8=AA=E5=87=BD=E6=95=B0=EF=BC=8C=E5=9C=A8=E6=AF=8F=E4=B8=AA=E5=87=BD=
=E6=95=B0=E9=87=8C=E9=9D=A2=E9=83=BD=E8=A6=81=E4=BD=9C=E7=B1=BB=E4=BC=BC=E7=
=9A=84=E5=A4=84=E7=90=86=E3=80=82=E8=8B=A5=E6=8C=89=E9=80=9A=E5=B8=B8=E5=81=
=9A=E6=B3=95=EF=BC=8C=E4=BC=9A=E5=86=99=E5=87=BA=E5=A6=82=E4=B8=8B=E4=BB=A3=
=E7=A0=81=EF=BC=9A<BR><BR>void=20
MyFuntion( char* buffer, int length =
)<BR>{<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80__int8 nStreamType =3D=20
buffer[0];<BR><BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80switch( =
nStreamType =
)<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80{<BR>=E3=80=80=E3=80=80=E3=80=80=
=E3=80=80=E3=80=80=E3=80=80=E3=80=80case=20
0:<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=
=80=E3=80=80=E3=80=80=E3=80=80function1();<BR>=E3=80=80=E3=80=80=E3=80=80=
=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80b=
reak;<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80c=
ase=20
1:<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80....=
..<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80case=
=20
255:<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=
=80=80=E3=80=80=E3=80=80=E3=80=80function255();<BR>=E3=80=80=E3=80=80=E3=80=
=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=
break;<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80}<BR>}</SPAN>=20
</DIV>
<DIV></DIV>
<DIV> =20
<SPAN><SPAN>=E5=A6=82=E6=9E=9C=E6=8C=89=E7=85=A7=E8=BF=99=E7=A7=8D=E6=96=B9=
=E6=B3=95=E5=86=99=E4=B8=8B=E5=8E=BB=EF=BC=8C=E9=82=A3=E4=B9=88=E5=9C=A8=E6=
=88=91=E7=9A=84=E6=AF=8F=E4=B8=80=E4=B8=AA=E5=87=BD=E6=95=B0=E9=87=8C=E9=9D=
=A2=EF=BC=8C=E9=83=BD=E5=BF=85=E9=A1=BB=E4=BD=9C=E5=A6=82=E6=AD=A4=E5=A4=9A=
=E7=9A=84=E5=88=A4=E6=96=AD=EF=BC=8C=E5=86=99=E5=87=BA=E7=9A=84=E4=BB=A3=E7=
=A0=81=E8=82=AF=E5=AE=9A=E5=BE=88=E9=95=BF=EF=BC=8C=E5=B9=B6=E4=B8=94=E6=AF=
=8F=E4=B8=80=E6=AC=A1=E5=A4=84=E7=90=86=EF=BC=8C=E9=83=BD=E8=A6=81=E4=BD=9C=
=E8=AE=B8=E5=A4=9A=E6=AC=A1=E5=88=A4=E6=96=AD=E4=B9=8B=E5=90=8E=E6=89=8D=E6=
=89=BE=E5=88=B0=E6=AD=A3=E7=A1=AE=E7=9A=84=E5=A4=84=E7=90=86=E5=87=BD=E6=95=
=B0=EF=BC=8C=E4=BB=A3=E7=A0=81=E7=9A=84=E6=89=A7=E8=A1=8C=E6=95=88=E7=8E=87=
=E4=B9=9F=E4=B8=8D=E9=AB=98=E3=80=82=E9=92=88=E5=AF=B9=E4=B8=8A=E8=BF=B0=E9=
=97=AE=E9=A2=98=EF=BC=8C=E6=88=91=E6=83=B3=E5=88=B0=E4=BA=86=E7=94=A8=E5=87=
=BD=E6=95=B0=E6=8C=87=E9=92=88=E6=95=B0=E7=BB=84=E7=9A=84=E6=96=B9=E6=B3=95=
=E8=A7=A3=E5=86=B3=E8=BF=99=E4=B8=AA=E9=97=AE=E9=A2=98=E3=80=82<BR><BR>=E3=
=80=80=E3=80=80=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E7=9A=84=E6=A6=82=E5=BF=
=B5=EF=BC=8C=E5=9C=A8=E6=BD=AD=E6=B5=A9=E5=BC=BA=E5=85=88=E7=94=9F=E7=9A=84=
C=E8=AF=AD=E8=A8=80=E7=A8=8B=E5=BA=8F=E8=AE=BE=E8=AE=A1=E8=BF=99=E6=9C=AC=
=E7=BB=8F=E5=85=B8=E7=9A=84=E6=95=99=E7=A8=8B=E4=B8=AD=E6=8F=90=E5=8F=8A=E8=
=BF=87=EF=BC=8C=E5=9C=A8=E5=A4=A7=E5=A4=9A=E6=95=B0=E6=83=85=E5=86=B5=E4=B8=
=8B=E6=88=91=E4=BB=AC=E4=BD=BF=E7=94=A8=E4=B8=8D=E5=88=B0=EF=BC=8C=E4=B9=9F=
=E5=BF=BD=E7=95=A5=E4=BA=86=E5=AE=83=E7=9A=84=E5=AD=98=E5=9C=A8=E3=80=82=E5=
=87=BD=E6=95=B0=E5=90=8D=E5=AE=9E=E9=99=85=E4=B8=8A=E4=B9=9F=E6=98=AF=E4=B8=
=80=E7=A7=8D=E6=8C=87=E9=92=88=EF=BC=8C=E6=8C=87=E5=90=91=E5=87=BD=E6=95=B0=
=E7=9A=84=E5=85=A5=E5=8F=A3=E5=9C=B0=E5=9D=80=EF=BC=8C=E4=BD=86=E5=AE=83=E5=
=8F=88=E4=B8=8D=E5=90=8C=E4=BA=8E=E6=99=AE=E9=80=9A=E7=9A=84=E5=A6=82int*=
=E3=80=81double*=E6=8C=87=E9=92=88=EF=BC=8C=E7=9C=8B=E4=B8=8B=E9=9D=A2=E7=
=9A=84=E4=BE=8B=E5=AD=90=E6=9D=A5=E7=90=86=E8=A7=A3=E5=87=BD=E6=95=B0=E6=8C=
=87=E9=92=88=E7=9A=84=E6=A6=82=E5=BF=B5=EF=BC=9A<BR>int=20
funtion( int x, int y );<BR>void main ( void =
)<BR>{<BR> =E3=80=80=E3=80=80=E3=80=80int (*fun) ( int=20
x, int y );<BR> =E3=80=80=E3=80=80=E3=80=80int a =3D 10, b =3D =
20;<BR> =E3=80=80=E3=80=80=E3=80=80function( a, b=20
);<BR> =E3=80=80=E3=80=80=E3=80=80fun =3D =
function;<BR> =E3=80=80=E3=80=80=E3=80=80=EF=BC=88*fun=EF=BC=89( a, =
b=20
);<BR> =E3=80=80=E3=80=80=E3=80=80=E3=80=80=E2=80=A6=E2=80=A6<BR>}<B=
R>=E3=80=80=E3=80=80=E8=AF=AD=E5=8F=A51=E5=AE=9A=E4=B9=89=E4=BA=86=E4=B8=80=
=E4=B8=AA=E5=87=BD=E6=95=B0function=EF=BC=8C=E5=85=B6=E8=BE=93=E5=85=A5=E4=
=B8=BA=E4=B8=A4=E4=B8=AA=E6=95=B4=E5=9E=8B=E6=95=B0=EF=BC=8C=E8=BF=94=E5=9B=
=9E=E4=B9=9F=E4=B8=BA=E4=B8=80=E4=B8=AA=E6=95=B4=E5=9E=8B=E6=95=B0=EF=BC=88=
=E8=BE=93=E5=85=A5=E5=8F=82=E6=95=B0=E5=92=8C=E8=BF=94=E5=9B=9E=E5=80=BC=E5=
=8F=AF=E4=B8=BA=E5=85=B6=E5=AE=83=E4=BB=BB=E4=BD=95=E6=95=B0=E6=8D=AE=E7=B1=
=BB=E5=9E=8B=EF=BC=89=EF=BC=9B=E8=AF=AD=E5=8F=A53=E5=AE=9A=E4=B9=89=E4=BA=
=86=E4=B8=80=E4=B8=AA=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=EF=BC=8C<FONT=20
color=3D#ff0000><STRONG>=E4=B8=8Eint*=E6=88=96double*=E5=AE=9A=E4=B9=89=E6=
=8C=87=E9=92=88=E4=B8=8D=E5=90=8C=E7=9A=84=E6=98=AF=EF=BC=8C=E5=87=BD=E6=95=
=B0=E6=8C=87=E9=92=88=E7=9A=84=E5=AE=9A=E4=B9=89=E5=BF=85=E9=A1=BB=E5=90=8C=
=E6=97=B6=E6=8C=87=E5=87=BA=E8=BE=93=E5=85=A5=E5=8F=82=E6=95=B0=EF=BC=8C=E8=
=A1=A8=E6=98=8E=E8=BF=99=E6=98=AF=E4=B8=80=E4=B8=AA=E5=87=BD=E6=95=B0=E6=8C=
=87=E9=92=88=EF=BC=8C=E5=B9=B6=E4=B8=94*fun=E4=B9=9F=E5=BF=85=E9=A1=BB=E7=
=94=A8=E4=B8=80=E5=AF=B9=E6=8B=AC=E5=8F=B7=E6=8B=AC=E8=B5=B7=E6=9D=A5</ST=
RONG></FONT>=EF=BC=9B=E8=AF=AD=E5=8F=A56=E5=B0=86=E5=87=BD=E6=95=B0=E6=8C=
=87=E9=92=88=E8=B5=8B=E5=80=BC=E4=B8=BAfuntion=EF=BC=8C=E5=89=8D=E6=8F=90=
=E6=9D=A1=E4=BB=B6=E6=98=AF*fun=E5=92=8Cfunction=E7=9A=84=E8=BE=93=E5=85=A5=
=E5=8F=82=E6=95=B0=E5=92=8C=E8=BF=94=E5=9B=9E=E5=80=BC=E5=BF=85=E9=A1=BB=E4=
=BF=9D=E6=8C=81=E4=B8=80=E8=87=B4=E3=80=82=E8=AF=AD=E5=8F=A55=E7=9B=B4=E6=
=8E=A5=E8=B0=83=E7=94=A8=E5=87=BD=E6=95=B0function=EF=BC=88=EF=BC=89=EF=BC=
=8C=E8=AF=AD=E5=8F=A57=E6=98=AF=E8=B0=83=E7=94=A8=E5=87=BD=E6=95=B0=E6=8C=
=87=E9=92=88=EF=BC=8C=E4=BA=8C=E8=80=85=E7=AD=89=E6=95=88=E3=80=82<BR><BR=
>=E3=80=80=E3=80=80=E5=BD=93=E7=84=B6=E4=BB=8E=E4=B8=8A=E8=BF=B0=E4=BE=8B=
=E5=AD=90=E7=9C=8B=E4=B8=8D=E5=87=BA=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E7=
=9A=84=E4=BC=98=E7=82=B9=EF=BC=8C=E7=9B=AE=E7=9A=84=E4=B8=BB=E8=A6=81=E6=98=
=AF=E6=83=B3=E5=BC=95=E5=87=BA=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E6=95=B0=
=E7=BB=84=E7=9A=84=E6=A6=82=E5=BF=B5=E3=80=82=E6=88=91=E4=BB=AC=E4=BB=8E=E4=
=B8=8A=E9=9D=A2=E4=BE=8B=E5=AD=90=E5=8F=AF=E4=BB=A5=E5=BE=97=E7=9F=A5=EF=BC=
=8C=E6=97=A2=E7=84=B6=E5=87=BD=E6=95=B0=E5=90=8D=E5=8F=AF=E4=BB=A5=E9=80=9A=
=E8=BF=87=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E5=8A=A0=E4=BB=A5=E4=BF=9D=E5=
=AD=98=EF=BC=8C=E9=82=A3=E4=BB=AC=E4=B9=9F=E4=B8=80=E5=AE=9A=E8=83=BD=E5=AE=
=9A=E4=B9=89=E4=B8=80=E4=B8=AA=E6=95=B0=E7=BB=84=E4=BF=9D=E5=AD=98=E8=8B=A5=
=E5=B9=B2=E4=B8=AA=E5=87=BD=E6=95=B0=E5=90=8D=EF=BC=8C=E8=BF=99=E5=B0=B1=E6=
=98=AF=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E6=95=B0=E7=BB=84=E3=80=82=E6=AD=
=A3=E7=A1=AE=E4=BD=BF=E7=94=A8=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E6=95=B0=
=E7=BB=84=E7=9A=84=E5=89=8D=E6=8F=90=E6=9D=A1=E4=BB=B6=E6=98=AF=EF=BC=8C=E8=
=BF=99=E8=8B=A5=E5=B9=B2=E4=B8=AA=E9=9C=80=E8=A6=81=E9=80=9A=E8=BF=87=E5=87=
=BD=E6=95=B0=E6=8C=87=E9=92=88=E6=95=B0=E7=BB=84=E4=BF=9D=E5=AD=98=E7=9A=84=
=E5=87=BD=E6=95=B0=E5=BF=85=E9=A1=BB=E6=9C=89=E7=9B=B8=E5=90=8C=E7=9A=84=E8=
=BE=93=E5=85=A5=E3=80=81=E8=BE=93=E5=87=BA=E5=80=BC=E3=80=82</SPAN><BR></=
SPAN><SPAN><SPAN></SPAN></SPAN></DIV>
<DIV><SPAN><SPAN>=E8=BF=99=E6=A0=B7=EF=BC=8C=E6=88=91=E5=B7=A5=E4=BD=9C=E4=
=B8=AD=E6=89=80=E9=9D=A2=E4=B8=B4=E7=9A=84=E9=97=AE=E9=A2=98=E5=8F=AF=E4=BB=
=A5=E8=A7=A3=E5=86=B3=E5=A6=82=E4=B8=8B=EF=BC=9A<BR><BR>=E9=A6=96=E5=85=88=
=E5=AE=9A=E4=B9=89256=E4=B8=AA=E5=A4=84=E7=90=86=E5=87=BD=E6=95=B0(=E5=8F=
=8A=E5=85=B6=E5=AE=9E=E7=8E=B0)=E3=80=82<BR><BR>void=20
funtion0( void );<BR>=E2=80=A6=E2=80=A6<BR>void funtion255(void=20
);<BR><BR>=E5=85=B6=E6=AC=A1=E5=AE=9A=E4=B9=89=E5=87=BD=E6=95=B0=E6=8C=87=
=E9=92=88=E6=95=B0=E7=BB=84=EF=BC=8C=E5=B9=B6=E7=BB=99=E6=95=B0=E7=BB=84=E8=
=B5=8B=E5=80=BC=E3=80=82<BR>void (*fun[256])(void);<BR><BR>fun[0] =3D=20
function0;<BR>=E2=80=A6=E2=80=A6<BR>fun[255] =3D=20
function();<BR>=E6=9C=80=E5=90=8E=EF=BC=8CMyFunction()=E5=87=BD=E6=95=B0=E5=
=8F=AF=E4=BB=A5=E4=BF=AE=E6=94=B9=E5=A6=82=E4=B8=8B=EF=BC=9A<BR><BR>void =
MyFuntion( char* buffer, int=20
length )<BR>{<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80__int8 nStreamType =
=3D=20
buffer[0];<BR>=E3=80=80=E3=80=80=E3=80=80=E3=80=80=EF=BC=88*fun[nStreamTy=
pe]=EF=BC=89();<BR>}<BR><BR>=E3=80=80=E3=80=80=E5=8F=AA=E8=A6=812=E8=A1=8C=
=E4=BB=A3=E7=A0=81=EF=BC=8C=E5=B0=B1=E5=AE=8C=E6=88=90=E4=BA=86256=E6=9D=A1=
case=E8=AF=AD=E5=8F=A5=E8=A6=81=E5=81=9A=E7=9A=84=E4=BA=8B=EF=BC=8C=E5=87=
=8F=E5=B0=91=E4=BA=86=E7=BC=96=E5=86=99=E4=BB=A3=E7=A0=81=E6=97=B6=E5=B7=A5=
=E4=BD=9C=E9=87=8F=EF=BC=8C=E5=B0=86nStreamType=E4=BD=9C=E4=B8=BA=E6=95=B0=
=E7=BB=84=E4=B8=8B=E6=A0=87=EF=BC=8C=E7=9B=B4=E6=8E=A5=E8=B0=83=E7=94=A8=E5=
=87=BD=E6=95=B0=E6=8C=87=E9=92=88=EF=BC=8C=E4=BB=8E=E4=BB=A3=E7=A0=81=E6=89=
=A7=E8=A1=8C=E6=95=88=E7=8E=87=E4=B8=8A=E6=9D=A5=E8=AF=B4=EF=BC=8C=E4=B9=9F=
=E6=AF=94case=E8=AF=AD=E5=8F=A5=E9=AB=98=E3=80=82=E5=81=87=E5=A6=82=E5=A4=
=9A=E4=B8=AA=E5=87=BD=E6=95=B0=E4=B8=AD=E5=9D=87=E8=A6=81=E4=BD=9C=E5=A6=82=
=E6=AD=A4=E5=A4=84=E7=90=86=EF=BC=8C=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E6=
=95=B0=E7=BB=84=E6=9B=B4=E8=83=BD=E4=BD=93=E7=8E=B0=E5=87=BA=E5=AE=83=E7=9A=
=84=E4=BC=98=E5=8A=BF=E3=80=82</SPAN></SPAN></DIV>
<H4 class=3DTextColor1 id=3Dsubjcns!68C21584AD4BB2C!119=20
style=3D"MARGIN-BOTTOM: 0px"><SPAN><FONT=20
color=3D#ff0000>=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E4=B8=8Etypedef</FON=
T></SPAN></H4>
<DIV id=3Dmsgcns!68C21584AD4BB2C!119>
<DIV>
<DIV><SPAN>=E5=85=B3=E4=BA=8EC++=E4=B8=AD=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=
=88=E7=9A=84=E4=BD=BF=E7=94=A8(=E5=8C=85=E5=90=AB=E5=AF=B9typedef=E7=94=A8=
=E6=B3=95=E7=9A=84=E8=AE=A8=E8=AE=BA)<BR><STRONG><FONT=20
size=3D4>=EF=BC=88=E4=B8=80=EF=BC=89=E7=AE=80=E5=8D=95=E7=9A=84=E5=87=BD=E6=
=95=B0=E6=8C=87=E9=92=88=E7=9A=84=E5=BA=94=E7=94=A8=E3=80=82</FONT></STRO=
NG><BR><FONT=20
color=3D#00ff00>//=E5=BD=A2=E5=BC=8F1=EF=BC=9A=E8=BF=94=E5=9B=9E=E7=B1=BB=
=E5=9E=8B(*=E5=87=BD=E6=95=B0=E5=90=8D)(=E5=8F=82=E6=95=B0=E8=A1=A8)</FON=
T><BR><STRONG>char (*pFun)(int);<BR>char=20
glFun(int a){ return;}<BR>void main()<BR>{<BR> pFun =
=3D=20
glFun;<BR> =20
(*pFun)(2);<BR>}</STRONG><BR> =20
=E7=AC=AC=E4=B8=80=E8=A1=8C=E5=AE=9A=E4=B9=89=E4=BA=86=E4=B8=80=E4=B8=
=AA=E6=8C=87=E9=92=88=E5=8F=98=E9=87=8FpFun=E3=80=82=E9=A6=96=E5=85=88=E6=
=88=91=E4=BB=AC=E6=A0=B9=E6=8D=AE=E5=89=8D=E9=9D=A2=E6=8F=90=E5=88=B0=E7=9A=
=84=E2=80=9C=E5=BD=A2=E5=BC=8F1=E2=80=9D=E8=AE=A4=E8=AF=86=E5=88=B0=E5=AE=
=83=E6=98=AF=E4=B8=80=E4=B8=AA=E6=8C=87=E5=90=91=E6=9F=90=E7=A7=8D=E5=87=BD=
=E6=95=B0=E7=9A=84=E6=8C=87=E9=92=88=EF=BC=8C=E8=BF=99=E7=A7=8D=E5=87=BD=E6=
=95=B0=E5=8F=82=E6=95=B0=E6=98=AF=E4=B8=80=E4=B8=AAint=E5=9E=8B=EF=BC=8C=E8=
=BF=94=E5=9B=9E=E5=80=BC=E6=98=AFchar=E7=B1=BB=E5=9E=8B=E3=80=82=E5=8F=AA=
=E6=9C=89=E7=AC=AC=E4=B8=80=E5=8F=A5=E6=88=91=E4=BB=AC=E8=BF=98=E6=97=A0=E6=
=B3=95=E4=BD=BF=E7=94=A8=E8=BF=99=E4=B8=AA=E6=8C=87=E9=92=88=EF=BC=8C=E5=9B=
=A0=E4=B8=BA=E6=88=91=E4=BB=AC=E8=BF=98=E6=9C=AA=E5=AF=B9=E5=AE=83=E8=BF=9B=
=E8=A1=8C=E8=B5=8B=E5=80=BC=E3=80=82<BR> =20
=
=E7=AC=AC=E4=BA=8C=E8=A1=8C=E5=AE=9A=E4=B9=89=E4=BA=86=E4=B8=80=E4=B8=AA=E5=
=87=BD=E6=95=B0glFun()=E3=80=82=E8=AF=A5=E5=87=BD=E6=95=B0=E6=AD=A3=E5=A5=
=BD=E6=98=AF=E4=B8=80=E4=B8=AA=E4=BB=A5int=E4=B8=BA=E5=8F=82=E6=95=B0=E8=BF=
=94=E5=9B=9Echar=E7=9A=84=E5=87=BD=E6=95=B0=E3=80=82<FONT=20
color=3D#ff0000><STRONG>=E6=88=91=E4=BB=AC=E8=A6=81=E4=BB=8E=E6=8C=87=E9=92=
=88=E7=9A=84=E5=B1=82=E6=AC=A1=E4=B8=8A=E7=90=86=E8=A7=A3=E5=87=BD=E6=95=B0=
=E2=80=94=E2=80=94=E5=87=BD=E6=95=B0=E7=9A=84=E5=87=BD=E6=95=B0=E5=90=8D=E5=
=AE=9E=E9=99=85=E4=B8=8A=E5=B0=B1=E6=98=AF=E4=B8=80=E4=B8=AA=E6=8C=87=E9=92=
=88=EF=BC=8C=E5=87=BD=E6=95=B0=E5=90=8D=E6=8C=87=E5=90=91=E8=AF=A5=E5=87=BD=
=E6=95=B0=E7=9A=84=E4=BB=A3=E7=A0=81=E5=9C=A8=E5=86=85=E5=AD=98=E4=B8=AD=E7=
=9A=84=E9=A6=96=E5=9C=B0=E5=9D=80=E3=80=82<BR></STRONG></FONT>  =
; =20
=E7=84=B6=E5=90=8E=E5=B0=B1=E6=98=AF=E5=8F=AF=E7=88=B1=E7=9A=84main()=E5=87=
=BD=E6=95=B0=E4=BA=86=EF=BC=8C=E5=AE=83=E7=9A=84=E7=AC=AC=E4=B8=80=E5=8F=A5=
=E6=82=A8=E5=BA=94=E8=AF=A5=E7=9C=8B=E5=BE=97=E6=87=82=E4=BA=86=E2=80=94=E2=
=80=94=E5=AE=83=E5=B0=86=E5=87=BD=E6=95=B0glFun=E7=9A=84=E5=9C=B0=E5=9D=80=
=E8=B5=8B=E5=80=BC=E7=BB=99=E5=8F=98=E9=87=8FpFun=E3=80=82main()=E5=87=BD=
=E6=95=B0=E7=9A=84=E7=AC=AC=E4=BA=8C=E5=8F=A5=E4=B8=AD=E2=80=9C*pFun=E2=80=
=9D=E6=98=BE=E7=84=B6=E6=98=AF=E5=8F=96pFun=E6=89=80=E6=8C=87=E5=90=91=E5=
=9C=B0=E5=9D=80=E7=9A=84=E5=86=85=E5=AE=B9=EF=BC=8C=E5=BD=93=E7=84=B6=E4=B9=
=9F=E5=B0=B1=E6=98=AF=E5=8F=96=E5=87=BA=E4=BA=86=E5=87=BD=E6=95=B0glFun()=
=E7=9A=84=E5=86=85=E5=AE=B9=EF=BC=8C=E7=84=B6=E5=90=8E=E7=BB=99=E5=AE=9A=E5=
=8F=82=E6=95=B0=E4=B8=BA2=E3=80=82<BR><FONT=20
size=3D4><STRONG>=EF=BC=88=E4=BA=8C=EF=BC=89=E4=BD=BF=E7=94=A8typedef=E6=9B=
=B4=E7=9B=B4=E8=A7=82=E6=9B=B4=E6=96=B9=E4=BE=BF=E3=80=82</STRONG></FONT>=
<BR><FONT=20
color=3D#00ff00>//=E5=BD=A2=E5=BC=8F2=EF=BC=9Atypedef =
=E8=BF=94=E5=9B=9E=E7=B1=BB=E5=9E=8B(*=E6=96=B0=E7=B1=BB=E5=9E=8B)(=E5=8F=
=82=E6=95=B0=E8=A1=A8)</FONT><BR><STRONG>typedef char=20
(*PTRFUN)(int);<BR>PTRFUN pFun;<BR>char glFun(int a){ return;}<BR>void=20
main()<BR>{<BR> pFun =3D glFun;<BR> =20
(*pFun)(2);<BR>}</STRONG><BR> =20
typedef=E7=9A=84=E5=8A=9F=E8=83=BD=E6=98=AF=E5=AE=9A=E4=B9=89=E6=96=B0=E7=
=9A=84=E7=B1=BB=E5=9E=8B=E3=80=82=E7=AC=AC=E4=B8=80=E5=8F=A5=E5=B0=B1=E6=98=
=AF=E5=AE=9A=E4=B9=89=E4=BA=86=E4=B8=80=E7=A7=8DPTRFUN=E7=9A=84=E7=B1=BB=E5=
=9E=8B=EF=BC=8C=E5=B9=B6=E5=AE=9A=E4=B9=89=E8=BF=99=E7=A7=8D=E7=B1=BB=E5=9E=
=8B=E4=B8=BA=E6=8C=87=E5=90=91=E6=9F=90=E7=A7=8D=E5=87=BD=E6=95=B0=E7=9A=84=
=E6=8C=87=E9=92=88=EF=BC=8C=E8=BF=99=E7=A7=8D=E5=87=BD=E6=95=B0=E4=BB=A5=E4=
=B8=80=E4=B8=AAint=E4=B8=BA=E5=8F=82=E6=95=B0=E5=B9=B6=E8=BF=94=E5=9B=9Ec=
har=E7=B1=BB=E5=9E=8B=E3=80=82=E5=90=8E=E9=9D=A2=E5=B0=B1=E5=8F=AF=E4=BB=A5=
=E5=83=8F=E4=BD=BF=E7=94=A8int,char=E4=B8=80=E6=A0=B7=E4=BD=BF=E7=94=A8PT=
RFUN=E4=BA=86=E3=80=82<BR> =20
=E7=AC=AC=E4=BA=8C=E8=A1=8C=E7=9A=84=E4=BB=A3=E7=A0=81=E4=BE=BF=E4=BD=BF=E7=
=94=A8=E8=BF=99=E4=B8=AA=E6=96=B0=E7=B1=BB=E5=9E=8B=E5=AE=9A=E4=B9=89=E4=BA=
=86=E5=8F=98=E9=87=8FpFun=EF=BC=8C=E6=AD=A4=E6=97=B6=E5=B0=B1=E5=8F=AF=E4=
=BB=A5=E5=83=8F=E4=BD=BF=E7=94=A8=E5=BD=A2=E5=BC=8F1=E4=B8=80=E6=A0=B7=E4=
=BD=BF=E7=94=A8=E8=BF=99=E4=B8=AA=E5=8F=98=E9=87=8F=E4=BA=86=E3=80=82<BR>=
<STRONG><FONT=20
size=3D4>=EF=BC=88=E4=B8=89=EF=BC=89=E5=9C=A8C++=E7=B1=BB=E4=B8=AD=E4=BD=BF=
=E7=94=A8=E5=87=BD=E6=95=B0=E6=8C=87=E9=92=88=E3=80=82</FONT></STRONG><BR=
><FONT=20
style=3D"BACKGROUND-COLOR: rgb(0,0,0)" color=3D#00ff00><FONT=20
style=3D"BACKGROUND-COLOR: =
rgb(255,255,255)">//=E5=BD=A2=E5=BC=8F3=EF=BC=9Atypedef=20
=E8=BF=94=E5=9B=9E=E7=B1=BB=E5=9E=8B(=E7=B1=BB=E5=90=8D::*=E6=96=B0=E7=B1=
=BB=E5=9E=8B)(=E5=8F=82=E6=95=B0=E8=A1=A8)</FONT> <FONT=20
style=3D"BACKGROUND-COLOR: =
rgb(255,255,255)"><BR></FONT></FONT><STRONG>class=20
CA<BR>{<BR> public:<BR> char lcFun(int a){ =
return;=20
}<BR>};<BR>CA ca;<BR>typedef char (CA::*PTRFUN)(int);<BR>PTRFUN =
pFun;<BR>void=20
main()<BR>{<BR> pFun =3D =
CA::lcFun;<BR> =20
ca.(*pFun)(2);<BR>}</STRONG><BR>  =
;=20
=E5=9C=A8=E8=BF=99=E9=87=8C=EF=BC=8C=E6=8C=87=E9=92=88=E7=9A=84=E5=AE=9A=E4=
=B9=8⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -