shared libraries

[abhikohokade]

how i can use /usr/lib shared libraries in my program i.e. predefined function of that file.

[hazel]

how i can use /usr/lib shared libraries in my program i.e. predefined function of that file.

You need to put an include directive at the top of your program to load the headers for the library. So for libfoo:
#include /usr/include/foo.h
(I assume they'll be in /usr/include because that's the standard location)
Then, when you build the program, you'll need the compilation flag -lfoo. I think libraries in /usr/lib are located automatically; if not you might also need L/usr/lib.

[hazel]

#include /usr/include/foo.h

Oops! Sorry That should have been:
#include foo.h
You don't put "/usr/include" because that's assumed. Just shows you shouldn't believe everything you read in the forums.