Identifying which Linux system library contains a function

Question

I am using a dev system where I have to specify the lib name when accessing a function inside it.

I\'ve used functions like open() before, and somehow found out that

Answer 1

This is one way to do it:

tomislav@malik:~$ cd /usr/lib
tomislav@malik:/usr/lib$ grep "lstat()" *
Binary file libperl.so.5.10 matches
Binary file libperl.so.5.10.0 matches
tomislav@malik:/usr/lib$