main: C function
      accepting unspecified arguments
    returning 
      signed int 
    with body 
      CompoundStmt
                  Expression Statement:
            Name: 1

                  Expression Statement:
constant expression 21 signed int 
                  Expression Statement:
constant expression 2147483647 signed int 
                  Expression Statement:
constant expression 37LL long long signed int 
                  Expression Statement:
constant expression 45ull long long unsigned int 
                  Expression Statement:
constant expression 89llu long long unsigned int 
                  Expression Statement:
constant expression 99LLu long long unsigned int 
                  Expression Statement:
constant expression 56lu long unsigned int 
                  Expression Statement:
constant expression 88LLu long long unsigned int 
                  Expression Statement:
constant expression 0u unsigned int 
                  Expression Statement:
constant expression 0377 signed int 
                  Expression Statement:
constant expression 0377ul long unsigned int 
                  Expression Statement:
constant expression 0x1 signed int 
                  Expression Statement:
constant expression 0x1u unsigned int 
                  Expression Statement:
constant expression 0xabL long signed int 
                  Expression Statement:
constant expression 0x80000000 unsigned int 
                  Expression Statement:
constant expression 0xfff signed int 
                  Expression Statement:
constant expression 0xef3daa5c unsigned int 
                  Expression Statement:
constant expression 0x3LL long long signed int 
                  Expression Statement:
constant expression 3. double 
                  Expression Statement:
constant expression 3100. double 
                  Expression Statement:
constant expression 1000000. double 
                  Expression Statement:
constant expression 3.1 double 
                  Expression Statement:
constant expression 3.141592654L long double 
                  Expression Statement:
constant expression 123456.123456 double 
                  Expression Statement:
constant expression 3E1 double 
                  Expression Statement:
constant expression 3e1f float 
                  Expression Statement:
constant expression 3E11F float 
                  Expression Statement:
constant expression 3E11 double 
                  Expression Statement:
constant expression 3e+11 double 
                  Expression Statement:
constant expression 3E-11 double 
                  Expression Statement:
constant expression 3.0E1 double 
                  Expression Statement:
constant expression 3.0E1L long double 
                  Expression Statement:
constant expression 3.0e11 double 
                  Expression Statement:
constant expression 3.0E11l long double 
                  Expression Statement:
constant expression 3.0e+11l long double 
                  Expression Statement:
constant expression 3.0E-11 double 
                  Expression Statement:
constant expression 123456.123456E-16 double 
                  Expression Statement:
constant expression 0xff.ffp0 double 
                  Expression Statement:
constant expression 0x1.ffffffffp128l long double