Find Missing Libraries / Find which libraries progam is using

Error : ld.so.1: item_main: fatal: libclntsh.so.1.0: open failed
$ ldd program_name
$ ldd item_main
ldd item_main
        libclntsh.so.1.0 =>     not found
        libnsl.so.1 =>   /lib/libnsl.so.1
        libsocket.so.1 =>        /lib/libsocket.so.1
        libgen.so.1 =>   /lib/libgen.so.1
        libdl.so.1 =>    /lib/libdl.so.1
        libc.so.1 =>     /lib/libc.so.1
        libaio.so.1 =>   /lib/libaio.so.1
        libm.so.2 =>     /lib/libm.so.2
        libmp.so.2 =>    /lib/libmp.so.2
        libmd.so.1 =>    /lib/libmd.so.1
        libscf.so.1 =>   /lib/libscf.so.1
        libdoor.so.1 =>  /lib/libdoor.so.1
        libuutil.so.1 =>         /lib/libuutil.so.1
        /platform/SUNW,SPARC-Enterprise/lib/libc_psr.so.1
sun1287_applmgr_XYZ$
NOte : If some library is missing it will show you not found as shown above
check LD_LIBRARY_PATH
also find the missing library and place it under correct place.

Then run the above command

check for the libraries in the below path :
check in 10.1.2 Oracle_home/lib

check in /usr/lib->