[CentOS] More than 1 gcc version?

> I think they will differ in name, use "rpm -ql xxx | grep bin" when you have 
> installed them.

# rpm -ql gcc | grep bin
/usr/bin/c89
/usr/bin/c99
/usr/bin/cc
/usr/bin/gcc
/usr/bin/gcov
/usr/bin/i386-redhat-linux-gcc
/usr/bin/protoize
/usr/bin/unprotoize

seems i can only see 3.4.4 but i have installed the compat-gcc-32 rpm ?