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 ...
May 12, 2013 · If you consider it unsigned, it can represent values 0 to 255. By the C++ standard, a signed char is guaranteed to be able to hold values -127 ...
Jan 13, 2010 · According to the C standard the signedness of plain char is "implementation defined".
Aug 14, 2013 · It is implementation-defined whether a plain char is considered signed or unsigned. This opens the possibility for some nasty surprises and implementation ...
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.
Jan 16, 2009 · Depending on the signedness of the char, c could be one of two values. If char's are unsigned then c will be (char)162. If they are signed then ...
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 ...
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 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.
Feb 23, 2011 · It is very simple to write a template that will remove the signed or unsigned from the char type by using two specializations for those particular types.