Answer / ravindra garg

(Higher Memory Address)

STACK -->Func arguments and return val(locals)
'
'
|
^
'
HEAP --> Dynamic Data

BSS --> Uninitialized Data
(Global and static default to zero)

DATA SEGMENT --> Initilialised data
(Global and static with init vals)

CODE SEGMENT --> Instructions

[Lower Memory Address]

Answer / pankaj saraf

Memory Layout consists following segments where data/text
are managed:
1) Text Segment : Consists serial of instruction.
2) Data Segment : Consists, Data default or defined class
specifier
i) Stack Segment : Area where the current function data
is managed.
ii) Heap Segment : Area where dynamically allocated data
stored.
3) BSS Segment: For uninitialized data.

Data segment is actually contains the static data which is
decided on the compile time. Rest of Area is used by Stack
and Heap which is actually modified run time. Stack grows
from higher address to lower Address. Heap grow just
opposite to the stack.

Anything else you guys are invited to add. :)

What is the output from this program? #include <stdio.h> void do_something(int *thisp, int that) { int the_other; the_other = 5; that = 2 + the_other; *thisp = the_other * that; } int main(void) { int first, second; first = 1; second = 2; do_something(&second, first); printf("%4d%4d\n", first, second); return 0; }

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