tcplink.h

linux下简单的聊天工具,测试通过,有基本的聊天功能

typedef struct client
{
	char nick[20];
	int sock;
}
client;

typedef struct LNode
{
	client  e;
	struct LNode *next;
}
LNode;

typedef struct LList
{
	LNode *head;
	int Length;
}
LList;

void InitList(LList *L)
{
	L->head=(LNode *)malloc(sizeof(LNode));
	L->Length=0;
}

int ListInsert(LList *L,client e)
{
	LNode *s;
	s=(LNode *)malloc(sizeof(LNode));
	s->e=e;
	s->next=L->head->next;
	L->head->next=s;
	L->Length++;
	return 0;
}

int ListDelete(LList *L,int sock)
{
	LNode *q=L->head;
	LNode *p=q;
	while(q!=0&&q->e.sock!=sock){
    	p=q;
    	q=q->next;
	}
	if (q!=0&&q->e.sock!=sock) return -1;
	p->next=q->next;
	free(q);
	L->Length--;
}