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ICL Comet 32

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⟦2b4ce0279⟧ TextFile

    Length: 827 (0x33b)
    Types: TextFile
    Notes: UNIX file
    Names: »end.3«

Derivation

└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
    └─⟦28c352965⟧ »/a« UNIX Filesystem
        └─⟦this⟧ »usr/man/man3/end.3«

TextFile

.ig
	@(#)end.3	2.1	7/1/84
	@(#)Copyright (C) 1983 by National Semiconductor Corp.
..
.TH END 3 
.SH NAME
end, etext, edata \- last locations in program
.SH SYNOPSIS
.nf
.B extern end;
.B extern etext;
.B extern edata;
.fi
.SH DESCRIPTION
These names refer neither to routines
nor to locations with interesting contents.
The address of
.I etext
is the first address above the program text,
.I edata
above the initialized data region, and
.I end
above the uninitialized data region.
.PP
When execution begins, the program break
coincides with
.I end,
but it is reset by
the routines
.IR brk (2),
.IR malloc (3), 
standard input/output
.RI ( stdio (3)),
the profile
.RB ( \-p )
option of 
.IR cc (1),
etc.
The current value of the program break
is reliably returned by `sbrk(0)',
see
.IR brk (2).
.SH "SEE ALSO"
brk(2), malloc(3)