single.c

来自「linux下开发的一款类似于QQ的网络聊天室」· C语言 代码 · 共 32 行

#include "main.h"

int single(struct user *head,char *name,char *msg)
{
	int n;
	FILE *fp;
	struct user *p;
	p=head->next;
	while(p!=NULL)
	{
		if(strcmp(p->user_name,name)==0)
		{
			n=send(p->sockfd,msg,strlen(msg),0);
		if(n<=0)
			return (-1);
		else
		{
			if((fp=fopen(p->user_name,"a+"))==NULL)
			{
				perror("open");
				return (-1);
			}
			fputs(msg,fp);
			fclose(fp);
			return 0;
		}
		
		}
		p=p->next;
	}
}