Index: src/IRCChannel.h
==================================================================
--- src/IRCChannel.h
+++ src/IRCChannel.h
@@ -19,18 +19,23 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #import <ObjFW/OFObject.h>
+#import <ObjFW/OFSet.h>
 
 @class OFString;
 
 @interface IRCChannel: OFObject
 {
 	OFString *name;
+	OFMutableSet *users;
 }
 
 @property (readonly) OFString *name;
+@property (copy) OFSet *users;
 
 + channelWithName: (OFString*)name;
 - initWithName: (OFString*)name;
+- (void)IRC_addUser: (OFString*)user;
+- (void)IRC_removeUser: (OFString*)user;
 @end

Index: src/IRCChannel.m
==================================================================
--- src/IRCChannel.m
+++ src/IRCChannel.m
@@ -21,11 +21,11 @@
  */
 
 #import "IRCChannel.h"
 
 @implementation IRCChannel
-@synthesize name;
+@synthesize name, users;
 
 + channelWithName: (OFString*)name
 {
 	return [[[self alloc] initWithName: name] autorelease];
 }
@@ -34,10 +34,11 @@
 {
 	self = [super init];
 
 	@try {
 		name = [name_ copy];
+		users = [[OFMutableSet alloc] init];
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}
 
@@ -45,14 +46,25 @@
 }
 
 - (void)dealloc
 {
 	[name release];
+	[users release];
 
 	[super dealloc];
 }
 
 - (OFString*)description
 {
 	return name;
 }
+
+- (void)IRC_addUser: (OFString*)user
+{
+	[users addObject: user];
+}
+
+- (void)IRC_removeUser: (OFString*)user
+{
+	[users removeObject: user];
+}
 @end

Index: src/IRCConnection.h
==================================================================
--- src/IRCConnection.h
+++ src/IRCConnection.h
@@ -66,10 +66,12 @@
 	  fromUser: (IRCUser*)user;
 - (void)connection: (IRCConnection*)connection
   didReceiveNotice: (OFString*)notice
 	  fromUser: (IRCUser*)user
 	 inChannel: (IRCChannel*)channel;
+-	   (void)connection: (IRCConnection*)connection
+  didReceiveNamesForChannel: (IRCChannel*)channel;
 @end
 
 @interface IRCConnection: OFObject
 {
 	OFTCPSocket *sock;

Index: src/IRCConnection.m
==================================================================
--- src/IRCConnection.m
+++ src/IRCConnection.m
@@ -224,16 +224,59 @@
 			[channels setObject: channel
 				     forKey: where];
 		} else
 			channel = [channels objectForKey: where];
 
+		[channel IRC_addUser: user.nickname];
+
 		if ([delegate respondsToSelector:
 		    @selector(connection:didSeeUser:joinChannel:)])
 			[delegate connection: self
 				  didSeeUser: user
 				 joinChannel: channel];
 
+		[pool release];
+		return;
+	}
+
+	/* NAMES reply */
+	if ([action isEqual: @"353"] && split.count >= 6) {
+		IRCChannel *channel;
+		OFArray *users;
+		size_t pos;
+
+		channel = [channels objectForKey: [split objectAtIndex: 4]];
+		if (channel == nil) {
+			/* We did not request that */
+			[pool release];
+			return;
+		}
+
+		pos = [[split objectAtIndex: 0] length] +
+		    [[split objectAtIndex: 1] length] +
+		    [[split objectAtIndex: 2] length] +
+		    [[split objectAtIndex: 3] length] +
+		    [[split objectAtIndex: 4] length] + 6;
+
+		users = [[line substringWithRange:
+		    of_range(pos, line.length - pos)]
+		    componentsSeparatedByString: @" "];
+
+		for (OFString *user in users) {
+			if ([user hasPrefix: @"@"] || [user hasPrefix: @"+"] ||
+			    [user hasPrefix: @"%"] || [user hasPrefix: @"*"])
+				user = [user substringWithRange:
+				    of_range(1, user.length - 1)];
+
+			[channel IRC_addUser: user];
+		}
+
+		if ([delegate respondsToSelector: @selector(connection:
+		    didReceiveNamesForChannel:)])
+			[delegate	   connection: self
+			    didReceiveNamesForChannel: channel];
+
 		[pool release];
 		return;
 	}
 
 	/* PART */
@@ -251,10 +294,12 @@
 		channel = [channels objectForKey: where];
 
 		if (split.count > 3)
 			reason = [line substringWithRange:
 			    of_range(pos + 2, line.length - pos - 2)];
+
+		[channel IRC_removeUser: user.nickname];
 
 		if ([delegate respondsToSelector:
 		    @selector(connection:didSeeUser:leaveChannel:
 		    withReason:)])
 			[delegate connection: self
@@ -284,10 +329,12 @@
 
 		if (split.count > 4)
 			reason = [line substringWithRange:
 			    of_range(pos + 2, line.length - pos - 2)];
 
+		[channel IRC_removeUser: user.nickname];
+
 		if ([delegate respondsToSelector:
 		    @selector(connection:didSeeUser:kickUser:
 		    fromChannel:withReason:)])
 			[delegate connection: self
 				  didSeeUser: user
@@ -311,10 +358,13 @@
 
 		if (split.count > 2)
 			reason = [line substringWithRange:
 			    of_range(pos + 2, line.length - pos - 2)];
 
+		for (IRCChannel *channel in channels)
+			[channel IRC_removeUser: user.nickname];
+
 		if ([delegate respondsToSelector:
 		    @selector(connection:didSeeUserQuit:withReason:)])
 			[delegate connection: self
 			      didSeeUserQuit: user
 				  withReason: reason];
@@ -337,10 +387,17 @@
 
 		if ([user.nickname isEqual: nickname]) {
 			[nickname release];
 			nickname = [user.nickname copy];
 		}
+
+		for (IRCChannel *channel in channels) {
+			if ([channel.users containsObject: user.nickname]) {
+				[channel IRC_removeUser: user.nickname];
+				[channel IRC_addUser: newNickname];
+			}
+		}
 
 		if ([delegate respondsToSelector:
 		    @selector(connection:didSeeUser:changeNicknameTo:)])
 			[delegate connection: self
 				  didSeeUser: user

Index: tests/test.m
==================================================================
--- tests/test.m
+++ tests/test.m
@@ -130,6 +130,12 @@
 	  fromUser: (IRCUser*)user
 	 inChannel: (IRCChannel*)channel
 {
 	of_log(@"NOTICE: [%@] %@: %@", channel, user, notice);
 }
+
+-	   (void)connection: (IRCConnection*)connection
+  didReceiveNamesForChannel: (IRCChannel*)channel
+{
+	of_log(@"Users in %@: %@", channel, channel.users);
+}
 @end