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~/test
|
|
|------main.c
|------lib
| |
| |------StringLen.h
| |------Strlen.c
| |------Strnlen.c
----------------StringLen.h:
#ifndef _STRINGLEN_H__
#define _STRINGLEN_H__
int Strlen(char *pStr);
int StrNlen(char *pStr, unsigned long ulMaxLen);
#endif
-------------------------------------------------
---------------Strlen.c:
#include<stdio.h>
#include<assert.h>
#include "StringLen.h"
int Strlen(char *pStr)
{
unsigned long ulLength;
assert(NULL != pStr);
ulLength = 0;
while(*pStr++)
{
ulLength++;
}
return ulLength;
}
-------------------------------------------------
---------------Strnlen.c:
#include<stdio.h>
#include<assert.h>
#include "StringLen.h"
int StrNlen(char *pStr, unsigned long ulMaxLen)
{
unsigned long ulLength;
assert(NULL != pStr);
if(ulMaxLen <= 0)
{
printf("Wrong Max Length!\n");
return -1;
} &
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main.c
//³õʼ»¯¶ÓÁÐ
void InitQueue(LiQueue *q)
{
q=(LiQueue*)malloc(sizeof(LiQueue));
q->front=q->rear=NULL;
}
//ÅжÏÊÇ·ñΪ¿Õ
int QueueEmpty(LiQueue *q)
{
if(q->rear==NULL)
{
return 1;
}
else
{
......
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/etc/init.d/iptables status
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/etc/init.d/iptables stop
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/sbin/chkconfig --level 2345 iptables off
ÖØÆôiptables:
/etc/init.d/iptabl ......
st='abcd'
1.×Ö·û´®³¤¶È
expr length $st »òÕß ${#st}
2.È¡×Ö·û´®µÄsubstring
expr substr "$var" startpos length »òÕß ${var:m} ${var:m:len}
${var:m}ÖеÄmµÄȡֵ´Ó0µ½${#var}-1£¬Æä·µ»ØµÄÊÇ´ÓµÚm¸ö×Ö·ûµ½×îºóµÄ²¿·Ö£»ÀýÈçecho ${st:1}µÄ½á¹ûÊÇ'bcd'
expr substr "$var" startpos length ÖеÄstartposȡֵ·¶Î§ÊÇ ......