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Could you please make it clear what the difference is between unsigned and unsigned int? Maybe some example code would be helpful.
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The term "unsigned" in computer programming indicates a variable that can hold only positive numbers. The term "signed" in computer code indicates that a variable can hold negative and positive values.
An unsigned Integer means the variable can hold only a positive value. This format specifier is used within the printf() function for printing the unsigned integer variables. Syntax: printf(“%u”, variable_name);
Unsigned int is only guaranteed to be able to hold the numbers between 0 and 65535 (inclusive), while unsigned long int is guaranteed to be able to hold the numbers between 0 and 4 294 967 295. Those are just the minimums, though.
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.
unsigned is a modifier which can apply to any integral type (char, short, int, long, etc.) but on its own it is identical to unsigned int.
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