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Type modifier In C Programming Language

The basic data types may have modifier preceding them to indicate special properties of the object being declared.
These modifiers change the meaning of the basic data types to suit the specific needs.
These modifiers are unsigned, signed, long and short. It is also possible to give these modifiers in combination, e.g., unsigned long int.
Modifier for char Data Type
char ch=291;
output:- 35
Here ch has been defined as a char ,and char cannot take a value bigger than +128.That is why assigned value of ch is 291 and is considered to be 35 (291-128-128).
Data type Range Bytes occupied Format
signed char -128 to +127 1 %c
unsigned char 0 to 255 1 %c
short signed int -32768 to 32767 2 %d
short unsigned int 0 to 65535 2 %u
long signed int -2147483648 to +2147483647 4 %ld
long unsigned int 0 to 4294967295 4 %lu
float -3.4e38 to 3.4e38 4 %f
double -1.7e4932 to +1.7e308 8 %lf
long double -1.7e4932 to 1.7e4932 10 %lf

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