Jul 31, 2009 · a signed char is always 8 bit and has always the signed bit as the last bit. an unsigned char is always 8 bit and doesn't have a sign bit. a ...

Mar 26, 2015 · According to the standard, whether char is signed or not is implementation-defined. This has caused me some trouble. Following are some examples.

Jan 16, 2009 · If char's are unsigned then c will be (char)162. If they are signed then it will an overflow case as the max value for a signed char is 128.

Sep 28, 2017 · The C and C++ standards allows the character type char to be signed or unsigned, depending on the platform and compiler. Most systems, including ...

Jan 13, 2010 · The standard does not specify if plain char is signed or unsigned. In fact, the standard defines three distinct types: char, signed char, and unsigned char.

Jan 6, 2015 · GCC provides compiler options to force char to have whatever signedness you like. It exists precisely to work around non-portable buggy code like this.

Dec 12, 2022 · Signed types have more implementation defined behaviors than unsigned types when converting to other types, thus reducing portability. "signed ...

Mar 8, 2014 · You would use a signed char when you need to represent a quantity in the range [-128, 127] and you can't (for whatever reason) spare more than a single byte to ...

Jun 13, 2013 · char is not always signed. And ASCII ends at 127, so it's fairly logical not to go past considering nearly all systems use it.

Aug 14, 2013 · Apparently there is a possibility that plain char can be either signed or unsigned by default. Stroustrup writes: It is implementation-defined ...