fedora core 4 and kde
 

can someone tell me where to find kde hearders & libs i looked but i cant find anything

Have you tried "yum install kdelibs" as root.

[manny@localhost ~]$ su -
Password:
[root@localhost ~]# yum install kdelibs
Setting up Install Process
Setting up repositories
livna 100% |=========================| 951 B 00:00
updates-released 100% |=========================| 951 B 00:00
base 100% |=========================| 1.1 kB 00:00
extras 100% |=========================| 1.1 kB 00:00
Reading repository metadata in from local files
Parsing package install arguments
Nothing to do

Sorry the right command for the headers is