flags.c:1:9: Variable x initialized to type char, expects int: 'c'
flags.c:5:9: Variable y
    initialized to type
    char, expects int:
    'c'
flags.c:7:18: Value for
    linelen must be at
    least 20 (given 13)
flags.c:11:5:
    Internal identifier
    xx2 is not
    distinguishable
    from xx1 in the
    first 2 characters
    (xx)
   flags.c:10:5:
   Declaration of
   xx1
flags.c:13:4:
    Semantic comment
    attempts to restore
    flag linelen.  A
    flag for setting a
    value cannot be
    restored.
flags.c:15:4: Semantic comment attempts to set global flag dump.  A
                 global flag cannot be set locally.
flags.c:16:22: Flag macrovarprefix (in semantic comment) must be
                  followed by an argument
flags.c:17:26: Flag macrovarprefix (in semantic comment) must be
                  followed by an argument
flags.c:18:20: Flag linelen must be followed by a positive number
                  number.  Followed by asdf

Finished checking --- 8 code warnings, as expected

flags.c:1:9: Variable x initialized to type char, expects int: 'c'
flags.c:5:9: Variable y initialized to type char, expects int: 'c'

Finished checking --- 2 code warnings, as expected