Unsigned integer constants of 35u method.
1.25e3.43L is wrong in the exponent part, and only integers are allowed in the exponent part!
0.0086e-32 legal floating-point number double precision type.
87' is an illegal character constant. The error is 8, which is out of bounds. Octal numbers can only be 0 to 7!
"Computer system" is a legal string constant.
"A" is a legal string constant.
A' is a legal character constant.
"96\45" illegal character constant!
-0 +0 legal integer constant.
.5 legal floating-point number double-precision type.
-.567 legal floating-point number double precision type.