C Primitive Data Types

Numeric Types

Integers

Type	Size	Min	Max	Specifier
char	1 bytes	-128	127	%c
unsigned char	1 bytes	0	255	%c
short int	2 bytes	-32,768	32,767	%hd or %hi
int	2 or 4 bytes	-32,768	32,767	%d or %i
long int	4 bytes			%d or %i
long long int	8 bytes			%d or %i

Floating Point

Type	Size	Precision	Min	Max	Specifier
float	4 bytes	6 d places	1.2E-38	3.4E+38	%f or %g
double	8 bytes	15 d places	2.3E-308	1.7E+308	%lf or %lg
long double	96 or 128 bits	19 d places	3.4E-4932	1.1E+4932	%Lf or %Lg