elf_nextscn man page on HP-UX

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elf_getscn(3E)							elf_getscn(3E)

NAME
       elf_getscn(),  elf_ndxscn(),  elf_newscn(), elf_nextscn() - get section
       information for ELF files

SYNOPSIS
       Command: [flag]... file... [library]...

DESCRIPTION
       These functions provide indexed and sequential access to	 the  sections
       associated  with	 the ELF descriptor elf.  If the program is building a
       new file, it is responsible for creating the file's ELF	header	before
       creating sections; see elf_getehdr(3E).

       returns	a  section  descriptor, given an index into the file's section
       header table.  Note the first "real" section has index 1.   Although  a
       program	can  get a section descriptor for the section whose index is 0
       the undefined section), the section has no data and the section	header
       is  "empty" (though present).  If the specified section does not exist,
       an error occurs, or elf is null, returns a null pointer.

       creates a new section and appends it to the list for elf.  Because  the
       section	is required and not "interesting" to applications, the library
       creates it automatically.  Thus the first call to for an ELF descriptor
       with  no	 existing  sections returns a descriptor for section 1.	 If an
       error occurs or elf is null, returns a null pointer.

       After creating a	 new  section  descriptor,  the	 program  can  use  to
       retrieve	 the  newly  created, "clean" section header.  The new section
       descriptor will have no associated data	(see  elf_getdata(3E)).	  When
       creating	 a  new section in this way, the library updates the member of
       the ELF header and sets the bit for the section (see elf_flag(3E)).  If
       the  program is building a new file, it is responsible for creating the
       file's ELF header (see elf_getehdr(3E)) before creating new sections.

       takes an existing  section  descriptor,	scn,  and  returns  a  section
       descriptor  for	the  next  higher  section.  One may use a null scn to
       obtain a section descriptor for the section whose index is 1  (skipping
       the  section  whose  index  is If no further sections are present or an
       error occurs, returns a null pointer.

       takes an existing section descriptor, scn, and returns its section  ta‐
       ble index.  If scn is null or an error occurs, returns

EXAMPLES
       An  example  of sequential access appears below.	 Each pass through the
       loop processes the next section in the file; the loop  terminates  when
       all sections have been processed.

	      scn = 0;
	      while ((scn = elf_nextscn(elf, scn)) != 0)
	      {
		      /* process section */
	      }

SEE ALSO
       elf(3E), elf_begin(3E), elf_flag(3E), elf_getdata(3E), elf_getehdr(3E),
       elf_getshdr(3E).

								elf_getscn(3E)
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