1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | #include<stdio.h> #include<unistd.h> #include<sys/types.h> #include<sys/socket.h> #include<arpa/inet.h> #include<string.h> #include<strings.h> #define port 8000 //#include<ctypes.h> #include<stdlib.h> int main( int argc, char * argv[]){ int lfd,cfd,len,i; char buf[1024]; struct sockaddr_in server_addr,client_addr; socklen_t client_len = sizeof (client_addr); lfd = socket(AF_INET,SOCK_STREAM,0); bzero(&server_addr, sizeof (server_addr)); server_addr.sin_family = AF_INET; server_addr.sin_port = htons(( short )port); server_addr.sin_addr.s_addr = htonl(INADDR_ANY); bind(lfd,( struct sockaddr*)&server_addr, sizeof (server_addr)); listen(lfd,10); printf( "wait for connect>>>" ); while (1){ cfd = accept(lfd,( struct sockaddr*)&client_addr,&client_len); pid_t pid = fork(); if (pid<0){ printf( "fork error" ); exit(1); } else if (pid >0){ close(cfd); } else { close(lfd); char xiebuf[1024]; while (fgets(xiebuf, sizeof (xiebuf),stdin)!=NULL){ printf( "xie buf = \n" ,xiebuf); read(cfd,buf, sizeof (buf)); printf( "buf : %s \n" ,buf); } close(cfd); return 0; } } close(lfd); return 0; } |
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