signed integer means that it has a sigh (+ or -). Using another words you say that signed variable can be positive as well as negative. unsigned variables can be only positive.
Well, uh, const unsigned int and const signed int..
A 32 bit integer.
To define any integer type value.
if it is a signed int the the range is -32768 to 32767if its unsigned then 0 to 65535
formatted
Well, uh, const unsigned int and const signed int..
1. integer values between 0 and 255 (if unsigned) 2. integer values between -128 and 127 (if signed) 3. letters, digits, symbols like a-zA-Z0-9;,.?: etc
1500
2
A 32 bit integer.
To specify the return-type of the function.
To define any integer type value.
By the range of values you wish to represent.
It depends on the context. Each database and computer language define an "integer". In the C language an integer is defined by the hardware. It can vary from 2 to 8 bytes or more.
if it is a signed int the the range is -32768 to 32767if its unsigned then 0 to 65535
'Keyword' is a synonym for 'reserved word', it is not specific to C language.
Use %o