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#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define BS 4096
int main(int argc,char *argv[]) {
int s;
struct sockaddr_in name;
char *tmp;
char chunk[BS];
int off=0;
char buf[BS];
int len=sizeof(struct sockaddr_in);
if(argc < 3) {
printf("usage: urcdump serv port\n");
return -2;
}
s=socket(PF_INET,SOCK_STREAM,6);
memset(&name,0,len);
name.sin_family=AF_INET;
name.sin_addr.s_addr=inet_addr(argv[1]);
name.sin_port=htons(atoi(argv[2]));
setlinebuf(stdout);
if(connect(s,(struct sockaddr *)&name,len) == -1) return -1;
while((len=read(s,buf,BS-1)) > 0) {
memcpy(chunk+off,buf,len);
off+=len;
if(off > 26) {
if((tmp=memchr(chunk+26,'\n',off-26))) {
tmp++;
write(1,chunk+26,tmp-chunk-26);
memmove(chunk,tmp,tmp-chunk+1);
off-=(tmp-chunk);
}
}
}
}
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