Keywords in C Programming
Keywords mean the reserved words of C programming Language which are part of the syntax.
Character
set
A character set is a set of alphabets,
letters, and some special characters that are valid in C language.
Alphabets
Uppercase: A B C
................................... X Y Z
Lowercase: a b c ...................................... x y z
C accepts both lowercase and uppercase alphabets as variables and functions.
Digits
0 1 2 3 4 5 6 7 8 9
Special Characters in C Programming
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Special Characters in C Programming |
||||
|
, |
< |
> |
. |
_ |
|
( |
) |
; |
$ |
: |
|
% |
[ |
] |
# |
? |
|
' |
& |
{ |
} |
" |
|
^ |
! |
* |
/ |
| |
|
- |
\ |
~ |
+ |
|
White space Characters
Blank space, newline, horizontal tab, carriage, return, and form feed.
C Keywords
Keywords are predefined, reserved words
used in programming that have special meanings to the compiler. Keywords are
part of the syntax and they cannot be used as an identifier. For example:
int money;
Here, int is a keyword that indicates money is a variable of type int (integer).
As C is a case sensitive language, all keywords must be written in lowercase. Here is a list of all keywords allowed in ANSI C.
C Keywords
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C Keywords |
|||
|
auto |
double |
int |
struct |
|
break |
else |
long |
switch |
|
case |
enum |
register |
typedef |
|
char |
extern |
return |
union |
|
continue |
for |
signed |
void |
|
do |
if |
static |
while |
|
default |
goto |
sizeof |
volatile |
|
const |
float |
short |
unsigned |
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