header file question

[george anzinger]

Is there a handy reference somewhere on just where the header files come
from or, rather, end up?  
For example where does the time/time.h header file end up in the
/usr/include/ ?  What is the order of selection when there are several
possibilities?
-- 
George           george@mvista.com
High-res-timers: http://sourceforge.net/projects/high-res-timers/
Real time sched: http://sourceforge.net/projects/rtsched/