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.TH GELF_GETEHDR 3 2025-09-14 "Libelf" "Libelf Programmer's Manual"
.SH NAME
gelf_getehdr \- retrieve the header of an ELF binary as a class\-independent structure
.SH SYNOPSIS
.nf
.B #include <gelf.h>
.BI "GElf_Ehdr *gelf_getehdr(Elf *" elf ", GElf_Ehdr *" dest " );"
.fi
.SH DESCRIPTION
.B gelf_getehdr()
retrieve the ELF header of the binary referenced by
.I elf
as a class\-independent
.B GElf_Ehdr
representation.
.SH PARAMETERS
.TP
.I elf
Pointer to an ELF descriptor.
.TP
.I dest
Pointer to a caller\-provided
.B GElf_Ehdr
structure that will receive the translated file header. Must not be
NULL. On success, the function stores the header in
.IR *dest .
.SH RETURN VALUE
On success, returns
.IR dest .
On failure, returns
.B NULL
and sets elf_errno. If
.I elf
is NULL, NULL is returned and elf_errno is not set.
.SH SEE ALSO
.BR gelf_newehdr (3),
.BR gelf_update_ehdr (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_getehdr ()
T} Thread safety MT-Safe
.TE
.SH REPORTING BUGS
Report bugs to <elfutils-devel@sourceware.org> or https://sourceware.org/bugzilla/.
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