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Command: edata | Section: 3 | Source: FreeBSD | File: edata.3.gz
END(3) FreeBSD Library Functions Manual END(3)
NAME
end, etext, edata - end boundaries of image segments
SYNOPSIS
extern end;
extern etext;
extern edata;
DESCRIPTION
The globals end, etext and edata are program segment end addresses.
etext is the first address after the end of the text segment.
edata is the first address after the end of the initialized data segment.
end is the first address after the end of the data segment (BSS) when the
program is loaded. Use the sbrk(2) system call with zero as its argument
to find the current end of the data segment.
SEE ALSO
sbrk(2), malloc(3), a.out(5)
HISTORY
An end manual page appeared in Version 6 AT&T UNIX.
BUGS
Traditionally, no variable existed that pointed to the start of the text
segment because the text segment always started at address zero.
Although it is no longer valid to make this assumption, no variable
similar to the ones documented above exists to point to the start of the
text segment.
FreeBSD 14.1-RELEASE-p8 August 28, 2000 FreeBSD 14.1-RELEASE-p8