乙個簡單的聊天程式 命名管道FIFO

本程式是乙個使用fifo進行程序間通訊的典型程式lucy.c建立了fifo write──fifo用於向程式peter.c傳送資訊：程式建立了fifo read-fifo，用於向lucy.c傳送訊息。編譯本程式，先執行peter.c再執行lucy.c就可以了。

源程式如下：

#include

#include

#include

#include

#include

#include

#include

#include

int main(viod)

write_fd=open(write_fifo_name,o_wronly);

if(write_fd==-1)

while((read_fd=open(read_fifo_name,o_rdonly))==-1)

while(1)

write(write_fd,buf,strlen(buf));

len=read(read_fd,buf,256);

if(len>0)}}

#include

#include

#include

#include

#include

#include

#include

#include

int main(viod)

while((read_fd=open(read_fifo_name,o_rdonly))==-1)

write_fd=open(write_fifo_name,o_wronly);

if(write_fd==-1)

while(1)

printf("peter:");

fgets(buf,256,stdin);

buf[strlen(buf)-1]='\0';

if(strncmp(buf,"quit",4)==0)

write(write_fd,buf,strlen(buf));}}

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