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L 的代码
hlink.l
/*
* hlink.l -- Function for detecting hyper links in html file.
* Created: Xie Han, net lab of Peking University.
*/
blank [ \t\r\n]
cdata [A-Za-z][A-Za-z0-9\-_:.]*
hex {digit}
uri.l
/**
* uri.l -- Routines dealing with URI, mainly parsing and merging.
* Created: Xie Han, net lab of Peking University.
*
* This is the first module of the web crawler. Used widely.
count.l
%{
#include
int num_chars = 0, num_lines = 0;
%}
%%
\n ++num_chars; ++num_lines; /* "\n" 匹配换行符，一定要顶行 */
. ++num_chars; /* "."匹配除换行符以外的任意字符 */
%%
main() /* 主函数 */
{
yylex(
l.txt
this ia s input disk file.
l.m
function L =L(x) %Lagrange
syms m
L=0;
r=1/(1+m^2);
X=0:20;f=1;
F=0:20;
l=0:20;
for i=1:21
X(i)=5*cos((2*i-1)*pi/42);
f=f*(x-X(i));
end
for i=1:21
F(i)=1;
for j=1:21
l.txt
(
)
[
]
->
.
!
++
--
&
~
*
/
%
+
-
>
<
>=
==
!=
&&
||
=
+=
-=
*=
/=
,
;
{
}
#
_
'
"
l 文法.txt
72 34 31 36 51 1 61 2 -1 34 31 36 1 61 2
51 35 54 56 52 -1 56 52 -1 52 -1 35 54 56 -1 35 54 52 -1 35 54 -1 56
52 57 50 31 42 53 43 1 61 2 -1 57 50 31 42 43 1 61 2 -1 57 50 31 42 53 43 1 61 2 36 52 -
ftok.l
/*
* Copyright (c) 1997-2003 Erez Zadok
* Copyright (c) 2001-2003 Stony Brook University
* Copyright (c) 1997-2000 Columbia University
*
* For specific licensing information, see the COPYING file