This library provides convenience functions for experimenting with network programming in C.

Compile and install with:

autoreconf --install
./configure --prefix=$HOME/local      # Or whatever prefix you prefer
make all install clean

If you have pkg-config installed, you should be able to link with the library like this:

CFLAGS=$(pkg-config --clfags ivartjnet)
LDFLAGS=$(pkg-config --libs ivartjnet)

gcc -o program $CFLAGS main.c $LDFLAGS

This library currently provides the following interface:

#include <ivartj/net.h>

/* Create server socket from which you can accept(2) incoming connections.
 */
int tcplisten(const char *port);

/* Same as tcplisten but force IPv4 or IPv6. */
int tcplisten4(const char *port);
int tcplisten6(const char *port);

/* Connect to node and get socket on which you can send(2) and recv(2)
 * data */
int tcpdial(const char *node, const char *port);

You likely want to use something like select(2) to listen on multiple file descriptors and sockets at the same time, or use libevent if you are more sophisticated.

Take a look at Beej's Guide to learn more about network programming in C.