ldd man page on FreeBSD

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LDD(1)			  BSD General Commands Manual			LDD(1)

NAME
     ldd — list dynamic object dependencies

SYNOPSIS
     ldd [-a] [-v] [-f format] program ...

DESCRIPTION
     The ldd utility displays all shared objects that are needed to run the
     given program or to load the given shared object.	Contrary to nm(1), the
     list includes “indirect” dependencies that are the result of needed
     shared objects which themselves depend on yet other shared objects.

     Zero, one or two -f options may be given.	The argument is a format
     string passed to rtld(1) and allows customization of ldd's output.	 If
     one is given, it sets LD_TRACE_LOADED_OBJECTS_FMT1.  If two are given,
     they set LD_TRACE_LOADED_OBJECTS_FMT1 and LD_TRACE_LOADED_OBJECTS_FMT2,
     respectively.  See rtld(1) for details, including a list of recognized
     conversion characters.

     The -a option displays the list of all objects that are needed by each
     loaded object.  This option does not work with a.out(5) binaries.

     The -v option displays a verbose listing of the dynamic linking headers
     encoded in the executable.	 See the source code and include files for the
     definitive meaning of all the fields.

EXAMPLES
     The following is an example of a shell pipeline which uses the -f option.
     It will print a report of all ELF binaries in the current directory,
     which link against libc.so.6:
	   find . -type f | xargs -n1 file -F	| grep ELF | cut -f1 -d' ' |
	   xargs ldd -f '%A %o\n' | grep libc.so.6

SEE ALSO
     ld(1), nm(1), rtld(1)

HISTORY
     A ldd utility first appeared in SunOS 4.0, it appeared in its current
     form in FreeBSD 1.1.

     The -v support is based on code written by John Polstra ⟨jdp@polstra.com⟩

BSD				 May 15, 2008				   BSD
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