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The C structure declaration for the section headers is shown below. This declaration may be found in the header file scnhdr.h.
   struct scnhdr
   {
      char      s_name[8];      /* section name */
      long      s_paddr;        /* physical address */
      long      s_vaddr;        /* virtual address */
      long      s_size;         /* section size */
      long      s_scnptr;       /* file ptr to section raw data */
   
      long      s_relptr;       /* file ptr to relocation */
   
      long      s_lnnoptr;      /* file ptr to line number */
   
      unsigned short  s_nreloc; /* number of relocation entries */
   
      unsigned short  s_nlnno;  /* number of line number entries */
   
      long      s_flags;        /* flags */
   
   };
   
   #define  SCNHDR  struct scnhdr
   #define  SCNHSZ  sizeof(SCNHDR)