centos5 - Issue installing gcc & curl-devel on Centos OS 5.6

I'm trying to install gcc and curl-devel on CentOS 5.6 (64 bit) server.

The command I'm using is:

yum install gcc \ curl-devel

After running the command it says:

No package gcc available.

No package curl-devel available.

Is there another way for me to install this? Haven't used CentOS much so not sure if maybe they are disabled by the repo or something else. Any help would be greatly appreciated!

Here is the output from running 'yum repolist':

Loaded plugins: fastestmirror Loading mirror speeds from cached
hostfile * base: centos.syn.co.il * extras: centos.syn.co.il *
updates: centos.syn.co.il base
| 1.1 kB 00:00 extras
| 2.1 kB 00:00 updates
| 1.9 kB 00:00 repo id repo name
status base CentOS-5 - Base
enabled: 3,662 extras CentOS-5 - Extras
enabled: 265 updates CentOS-5 - Updates
enabled: 223 repolist: 4,150

Answer

Try:

yum install gcc.x86_64

then

yum install curl-devel.x86_64