.TH GELF_GETDYN 3 2025-12-30 "Libelf" "Libelf Programmer's Manual"

.SH NAME
gelf_getdyn \- Get class\-independent information from dynamic table at the given index

.SH SYNOPSIS
.nf
.B #include <gelf.h>

.BI "GElf_Dyn *gelf_getdyn (Elf_Data *" data ", int " ndx ", GElf_Dyn *" dst ");"

.SH DESCRIPTION
Retrieve a dynamic table entry from
.I data
at index
.I ndx
and store it in a class\-independent representation pointed to by
.IR dst .

.PP
.I data
must be an
.B Elf_Data*
associated with a section of type
.B SHT_DYNAMIC

.SH PARAMETERS
.TP
.I data
Pointer to an
.B Elf_Data
of a section with type
.BR SHT_DYNAMIC .
.I data->d_type
should be
.BR ELF_T_DYN .

.TP
.I ndx
Zero\-based index of the requested dynamic table entry within
.IR data .

.TP
.I dst
Pointer to a caller\-provided
.B GElf_Dyn
structure for storing the requested dynamic table entry.  Must not be NULL.

.SH RETURN VALUE
On success, this function updates
.I dst
with the requested dynamic table entry and returns
.IR dst .
On failure, it returns NULL and sets elf_errno.  If
.I data
is NULL, then NULL is returned without setting elf_errno.

.SH SEE ALSO
.BR gelf_update_dyn (3),
.BR libelf (3),
.BR elf (5)

.SH ATTRIBUTES
.TS
allbox;
lbx lb lb
l l l.
Interface	Attribute	Value
T{
.na
.nh
.BR gelf_getdyn ()
T}	Thread safety	MT-Safe
.TE

.SH REPORTING BUGS
Report bugs to <elfutils-devel@sourceware.org> or https://sourceware.org/bugzilla/.