Type Size (bytes) Format Specifier
int at least 2, usually 4 %d, %i
char 1 %c
float 4 %f
double 8 %lf
short int 2 usually %hd
unsigned int at least 2, usually 4 %u
long int at least 4, usually 8 %ld, %li
long long int at least 8 %lld, %lli
unsigned long int at least 4 %lu
unsigned long long int	at least 8 %llu
signed char	1 %c
unsigned char 1 %c
long double at least 10, usually 12 or 16 %Lf

char	1 byte	-128 to 127 or 0 to 255
unsigned char	1 byte	0 to 255
signed char	1 byte	-128 to 127
int	2 or 4 bytes	-32,768 to 32,767 or -2,147,483,648 to 2,147,483,647
unsigned int	2 or 4 bytes	0 to 65,535 or 0 to 4,294,967,295
short	2 bytes	-32,768 to 32,767
unsigned short	2 bytes	0 to 65,535
long	8 bytes or (4bytes for 32 bit OS)	-9223372036854775808 to 9223372036854775807
unsigned long	8 bytes	0 to 18446744073709551615

// For debugging purposes
printf("%d", variable); //Warns if variable of different type than int