• InputZero@lemmy.world
          0·
          1 个月前

          A. B. C.

          Are just undefined variables, and therefore a number. It’s just that we haven’t defined what those numbers are so they can still be any real number including the smallest number

          • Axolotl@feddit.it
            0·
            1 个月前

            Error!

            prog.c: In function ‘main’:
prog.c:4:8: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
    4 |   int A.;
      |        ^
prog.c:4:8: error: expected expression before ‘.’ token
prog.c:5:8: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
    5 |   int B.;
      |        ^
prog.c:5:8: error: expected expression before ‘.’ token
prog.c:6:8: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
    6 |   int C.;
      |        ^
prog.c:6:8: error: expected expression before ‘.’ token