1END(3) Library Functions Manual END(3)
2
6 end, etext, edata - last locations in program
7
9 extern end;
10 extern etext;
11 extern edata;
12
14 These names refer neither to routines nor to locations with interesting
15 contents. The address of etext is the first address above the program
16 text, edata above the initialized data region, and end above the unini‐
17 tialized data region.
18 When execution begins, the program break coincides with end, but many
20 functions reset the program break, among them the routines of brk(2),
21 malloc(3), standard input/output (stdio(3)), the profile (-p) option of
22 cc(1), etc. The current value of the program break is reliably
23 returned by `sbrk(0)', see brk(2).
24
26 brk(2), malloc(3)
27 END(3)