Extern :
All
variables we have seen so far have limited scope (the block in which they are
declared) within the program. However, in some applications it may be useful to
have data which is accessible from within any other file or which remains in
existence for the entire execution of the program.
Suppose
if a variable is declared in file1 and we want to access the variable in
another file2...
Jun 23, 2015
Jun 17, 2015
Comma -- Lowest priority operator
Comma Operator :
It is a binary operator (present in
between the two operands), mainly used in two ways :
1) As a
separator
2) As a
operator
As a Separator :
The comma is used to separate the
expressions, and as a separator in functional calls...
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