END(3)                                                                  END(3)


NAME
       end, etext, edata - last locations in program

SYNOPSIS
       extern end;
       extern etext;
       extern edata;

DESCRIPTION
       These names refer neither to routines nor to locations with interesting
       contents.  The address of etext is the first address above the  program
       text, edata above the initialized data region, and end above the unini‐
       tialized data region.

       When execution begins, the program break coincides with end, but it  is
       reset   by   the  routines  brk(2),  malloc(3),  standard  input/output
       (stdio(3S)), the profile (-p) option of cc(1), etc.  The current  value
       of the program break is reliably returned by ‘sbrk(0)’, see brk(2).

SEE ALSO
       brk(2), malloc(3)


7th Edition                      May 12, 1986                           END(3)
 
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