[emk@ekdev2 IO]$ pwd
/tmp/par-656d6b/cache-08da00fae2ebdaf6d8f69a0988dac72d0e1f3d62/inc/lib/auto/IO
[emk@ekdev2 IO]$ nm -g IO.so 
                 U PerlIO_getpos
                 U PerlIO_setpos
                 U PerlIO_tmpfile
                 U PerlIO_ungetc
                 U Perl_Isv_undef_ptr
                 U Perl_Isv_yes_ptr
                 U Perl_PerlIO_clearerr
                 U Perl_PerlIO_error
                 U Perl_PerlIO_fileno
                 U Perl_PerlIO_flush
...
0000000000001760 T boot_IO
                 U fcntl@@GLIBC_2.2.5
                 U fsync@@GLIBC_2.2.5
                 U poll@@GLIBC_2.2.5
                 U sockatmark@@GLIBC_2.2.5

##</code><code>##

	linux-vdso.so.1 =>  (0x00007fff091de000)
	libc.so.6 => /lib64/libc.so.6 (0x00007f1a0386b000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f1a03e47000)

	Version information:
	./IO.so:
		libc.so.6 (GLIBC_2.2.5) => /lib64/libc.so.6
	/lib64/libc.so.6:
		ld-linux-x86-64.so.2 (GLIBC_2.3) => /lib64/ld-linux-x86-64.so.2
		ld-linux-x86-64.so.2 (GLIBC_PRIVATE) => /lib64/ld-linux-x86-64.so.2