C-Keywords

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In post C-Langauge , we understood that a Language must have some meaningful words created using symbols.The C Language also have some meaningful words ( also called keywords ).
Here’s a list of the standard C keywords categorised based on their usage :

Storage/Memory related keywords.

Keywords	Usage / Purpose
register	It suggests compiler to store variable in a CPU register.
auto	It declares automatic variables (default storage class).
static	It is used to declares a static variable.
extern	It declares that a variable is defined somewhere else.
volatile	It tells the compiler not to optimize the variable.

Data type or size related keywords

Keywords	Usage / Purpose
char	It declares a character variable.
short	It declares a short integer variable.
int	It declares an integer variable.
long	It declares a long integer variable.
long long	It declares a long long integer variable.
float	It declares a floating-point variable.
double	It declares a double-precision floating-point variable.
struct	It declares a structure.
union	It declares a union.
typedef	It is used to creates a new type name.
enum	It declares an enumeration.
sizeof	It returns the size of a data type or a variable.
void	It is used specifies no return value or no parameters.
unsigned	It declares an unsigned variable.
signed	It declares a signed variable.
const	It is used to declares a constant value / Variable.

Loop related keywords

Keywords	Usage / Purpose
while	It is used to starts a while loop.
do	It is used to starts a do-while loop.
for	It is used to starts a for loop.
continue	It is used to skips the current iteration of a loop.
break	It is used to exits from a loop or switch statement.

Conditions related keywords

Keywords	Usage / Purpose
if	It starts a conditional statement.
else	It specifies the default path in an if statement.
else if	Specifies the alternative path in an if statement
switch	It starts a switch-case block.
case	It is used to defines a case in a switch statement.
default	It will specifie the default case in a switch statement..

Others

Keywords	Usage / Purpose
goto	It transfers control to a labeled statement.
return	It is used to returns a value from a function.

We will understand the usage of all these keywords in detail in comming posts. Please keep reading …! 😊