foo.c: In function 'main':
foo.c:7:9: error: unknown type name 'class'
    7 |         class Time
      |         ^~~~~
foo.c:8:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
    8 |         {
      |         ^
foo.c:17:14: error: expected expression before ':' token
   17 |         Time::Time(int h,int m,int s)
      |              ^
foo.c:17:9: warning: label 'Time' defined but not used [-Wunused-label]
   17 |         Time::Time(int h,int m,int s)
      |         ^~~~

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