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Annotation of 43BSDTahoe/man/man3/end.3, revision 1.1.1.1

1.1       root        1: .\"    @(#)end.3       6.2 (Berkeley) 5/12/86
                      2: .\"
                      3: .TH END 3  "May 12, 1986"
                      4: .AT 3
                      5: .SH NAME
                      6: end, etext, edata \- last locations in program
                      7: .SH SYNOPSIS
                      8: .nf
                      9: .B extern end;
                     10: .B extern etext;
                     11: .B extern edata;
                     12: .fi
                     13: .SH DESCRIPTION
                     14: These names refer neither to routines nor to locations with interesting
                     15: contents.  The address of
                     16: .I etext
                     17: is the first address above the program text,
                     18: .I edata
                     19: above the initialized data region, and
                     20: .I end
                     21: above the uninitialized data region.
                     22: .PP
                     23: When execution begins, the program break coincides with
                     24: .I end,
                     25: but it is reset by the routines
                     26: .IR brk (2),
                     27: .IR malloc (3), 
                     28: standard input/output
                     29: .RI ( stdio (3S)),
                     30: the profile
                     31: .RB ( \-p )
                     32: option of 
                     33: .IR cc (1),
                     34: etc.
                     35: The current value of the program break is reliably returned by `sbrk(0)',
                     36: see
                     37: .IR brk (2).
                     38: .SH "SEE ALSO"
                     39: brk(2), malloc(3)

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