On Sun, 11 Nov 2001 10:44:01 +0530, <[EMAIL PROTECTED]> wrote: > Dear members , > I am having some serious doubts (generated by a vague book > and my ignorance/stupidity combined together).
It might help if you mentioned the name of the book! This question is really off topic here, and better posted in comp.unix.programmer or some such. > 1) First , I wish to talk about the memset function > used in the TCPEchoServer.c program . > > This function takes 3 arguments as far as the documentation is concerned , > but the > program (and all programs using this function ,) just pass 2 arguments. This > gives us > the following error : "memset" takes three arguments. It's standard C. A similar BSD derived function "bzero" only takes two. void * memset (void *, int, size_t); > tcpechoserv.c : In function 'main' : > tcpechoserv :22 : too few arguments to function 'memset' > > When I supplied a 0 for the (hitherto) unspecified parameter , I get > complaints > about the readline function. You don't provide a readline() function and no such function exists via the headers included. > 2) The next question is regarding the UdpEchoServer.c > > I am getting the error : > udpechoserver.c : In function 'main' : > udpechoserv.c : 33 : incompatible type for argument 5 of 'sendto' > > This is what the sendto function looks like : > sendto(socketDescriptor,line,n,0,clientAddr,clientAddrLen); "clientAddr" probably needs a cast to the correct socket type ??? Can't tell without the declarations for "sendto" and "clientAddr". > In the same book from which I took all these , there is a > topic on RPC contains little instruction on what to do . > a)It gives one msg.x ,file (which anyway rpcgen shows an error : > msg.x : line 5: expected 'version' or '}' ) > b)What do we do with the server C program , that follows the msg.x file (a > msg-proc.c > file)? How should we know? > c) And they have not mentioned any .x files for the client > d) What What do we do with the server C program shown for the client ? Again, how should we know? > e)They show in the next 2 pages the C programs that rpcgen generates , > but it remains vague , because ,the text never manages to take our programs > there. > > Could somebody give me pointers to good sites where I can get good code > examples in RPC server/clients ? Or could somebody give me some code examples > (I > guess > it takes 6 files: 1 .x file and .c file for the server , and 1 .x and > .c file > for the client > + the 2 .c files that rpcgen is supposed to generate .) The Richard Stevens books _UNIX Network Programming_ cover these topics in detail. Code is available from a website. But read the text, so you know why you're doing XYZ thing. -- Eric G. Miller <[email protected]>
