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$FreeBSD$
.Dd July 3, 2006 .Dt ELF_GETIDENT 3 .Os .Sh NAME .Nm elf_getident .Nd return the initial bytes of a file .Sh LIBRARY .Lb libelf .Sh SYNOPSIS n libelf.h .Ft char * .Fn elf_getident "Elf *elf" "size_t *sz" .Sh DESCRIPTION Function .Fn elf_getident returns a pointer to the initial bytes of the file for descriptor .Ar elf .
p If argument .Ar sz is non-null, the size of the identification area returned is written to the location pointed to by .Ar sz . This location is set to zero on errors. .Sh RETURN VALUES Function .Fn elf_getident will return a non-NULL pointer to the initial bytes of the file if successful, or NULL if an error condition is detected. .Sh ERRORS Function .Fn elf_getident can fail with the following errors: l -tag -width "[ELF_E_RESOURCE]" t Bq Er ELF_E_ARGUMENT A NULL value was passed in for argument .Ar elf . t Bq Er ELF_E_SEQUENCE ELF descriptor .Ar elf was opened for writing and function .Fn elf_getident was called before a call to .Xr elf_update 3 . .El .Sh SEE ALSO .Xr elf 3 , .Xr elf32_getehdr 3 , .Xr elf64_getehdr 3 , .Xr elf_getarhdr 3 , .Xr elf_getbase 3 , .Xr elf_getflags 3 , .Xr elf_kind 3 , .Xr elf_rawfile 3 , .Xr elf_update 3 , .Xr gelf 3 , .Xr gelf_getclass 3 , .Xr gelf_getehdr 3