Char data type example

char is the most basic data type in C. It stores a single character and requires a single byte of memory in almost all compilers.

Now character datatype can be divided into 2 types:

1. signed char
2. unsigned char

unsigned char is a character datatype where the variable consumes all the 8 bits of the memory and there is no sign bit (which is there in signed char).

So it means that the range of unsigned char data type ranges from 0 to 255.

Syntax:

unsigned char [variable_name] = [value]

Example:

unsigned char ch = 'a';

• Initializing an unsigned char: Here we try to insert a char in the unsigned char variable with the help of ASCII value.

  So the ASCII value 97 will be converted to a character value, i.e.

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‘a’ and it will be inserted in unsigned char.

Initializing an unsigned char with signed value: Here we try to insert a char in the unsigned char variable with the help of ASCII value.

So the ASCII value -1 will be first converted to a range 0-255 by rounding. So it will be 255. Now, this value will be conv

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