I used package-manager.
I installed development-environment.
However, include-file of glibc was not installed.
I searched glibc, and installed it.
gcc Requires: glibc-devel and glibc-devel Requires: glibc-headers which
contains stdlib.h (and the rest of headers).
So, if you have the compiler installed, you also have the headers installed,
if you don't have the compiler installed, I don't see what the headers would be
My explanation is bad, and I am sorry.
I installed all the bound things in a category of a development-environment with
But then the header of glibc did not enter.
Therefore I searched glibc-devel glibc-headers and installed it.
In fedora6, there did not need to be such thing.
I installed all the things in a category of development-environment.
And gcc was installed, too.
However, is not what a header of glibc is not installed in strange?