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LINUX C Á´±í·â×°


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
 {
  return 0;
 }
}
//ÊÍ·Å
void ClearQueue(LiQueue *q)
{
 QNode *p=q->front,*r;
 if(p!=NULL)
 {
  r=p->next;
  while(r!=NULL)
  {
   free(p);
   p=r;
   r=p->next;
  }
 }
 free(q);
}
//ʵÏÖ¶ÓÁеÄÈë¶Ó
void enQueue(LiQueue *q,struct TCPMASSAGE stTcpSendBuff)
{
 //·â×°½áµã
 QNode *s;
 s=(QNode*)malloc(sizeof(QNode));
 memcpy(&s->data , &stTcpSendBuff , sizeof(stTcpSendBuff));
 //s->data =e;
 s->next=NULL;
 if(q->rear==NULL)
 {
  q->front =s;
  q->rear =s;
 }
 else
 {
  q->rear->next =s;
  q->rear =s;
 }
}
//³ö¶Óº¯Êý
int deQueue(LiQueue *q,struct TCPMASSAGE stTcpSendBuff)
{
 QNode *t;
 if(q->rear ==NULL)
 {
    return 0;
 }
 if(q->front ==q->rear )//Ö»ÓÐÒ»¸ö½áµã
 {
  t=q->front;
  q->front =NULL;
  q->rear =NULL;
 }
 else
 {
    t=q->front;
  q->front=q->front->next;
 }
 memcpy(stTcpSendBuff.cTcpBuff,t->data.cTcpBuff,t->data.len);
 stTcpSendBuff.len = t->data.len;
 free(t);
 return 1;
}
/*
//³ö¶Óº¯Êý
int deQueue(LiQueue *q,char *pstbuff,int *lenth)
{
 QNode *t;
 if(q->rear ==NULL)
 {
    return 0;
 }
 if(q->front ==q->rear )//Ö»ÓÐÒ»¸ö½áµã
 {
  t=q->front;
  q->front =NULL;
  q->r


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Linux Input Device ½é紹: APIs


Linux Input Device ½é紹: APIs
jollen 發±íì¶ April 8, 2009 12:18 PM
Linux µÄ Input Device ÊÇÖØÒªµÄÒ»個 subsystem£¬ÔÚ進ÐÐ實Àý½é紹ǰ£¬ÏÈ´óÂÔÁ˽âÒ»ÏÂÏà關µÄ API¡£
Linux Input Device
input.cÊÇLinuxµÄ”input”驅動³Ìʽ£¬Ö÷ÒªÖ ......

The Linux USB Input Subsystem, Part I


The Linux USB input subsystem is a single, harmonized way to manage all input devices. This is a relatively new approach for Linux, with the system being partly incorporated in kernel version 2.4 and fully integrated in the 2.5 development series.
This article covers four basic areas: a descripti ......

linuxÏÂÓëÆäËûÖÕ¶ËͨѶ write³ö´í

ÏÈÓÃwhoÃüÁî²é¿´ËùÓеǽÖÕ¶Ë
#who -uH
Êä³öÈçÏ£º
NAME     LINE         TIME             IDLE          PID COMMENT
root     :0           2010-03-01 19:13   ?     & ......

Linux use notes

-----------------------------
Based on Fedora 8 version:
-----------------------------
1. No common command like ifconfig in os?
Root cause is the standard search path not include /sbin and /usr/sbin. Try to include them in /etc/profile. As belows:
 #Kenny add /sbin and /usr/sbin here.
&n ......

C×Ö·û´®²Ù×÷º¯Êý


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