main: C function
      accepting unspecified arguments
    returning 
      signed int 
    with body 
      CompoundStmt
                  Expression Statement:
constant expression ' ' char 
                  Expression Statement:
constant expression 'a' char 
                  Expression Statement:
constant expression '"' char 
                  Expression Statement:
constant expression '_' char 
                  Expression Statement:
constant expression '\a' char 
                  Expression Statement:
constant expression '\b' char 
                  Expression Statement:
constant expression '\e' char 
                  Expression Statement:
constant expression '\f' char 
                  Expression Statement:
constant expression '\n' char 
                  Expression Statement:
constant expression '\r' char 
                  Expression Statement:
constant expression '\t' char 
                  Expression Statement:
constant expression '\v' char 
                  Expression Statement:
constant expression '\'' char 
                  Expression Statement:
constant expression '\"' char 
                  Expression Statement:
constant expression '\?' char 
                  Expression Statement:
constant expression '\\' char 
                  Expression Statement:
constant expression '\0' char 
                  Expression Statement:
constant expression '\377' char 
                  Expression Statement:
constant expression '\xf' char 
                  Expression Statement:
constant expression '\xff' char 
                  Expression Statement:
constant expression '' char 
                  Expression Statement:
constant expression 'aa' char 
                  Expression Statement:
constant expression 'a\na' char 
                  Expression Statement:
constant expression 'a\0a' char 
                  Expression Statement:
constant expression '\xfff' char 
                  Expression Statement:
constant expression '_\377_' char 
                  Expression Statement:
constant expression '_\xff_' char 
                  Expression Statement:
constant expression '\xffff' char 
                  Expression Statement:
constant expression 'a\xff34w' char 
                  Expression Statement:
constant expression '\xff' char 
                  Expression Statement:
constant expression '\xffff' char 
                  Expression Statement:
constant expression " " array of char with dimension of constant expression 4 unsigned int 
                  Expression Statement:
constant expression "a" array of char with dimension of constant expression 4 unsigned int 
                  Expression Statement:
constant expression "'" array of char with dimension of constant expression 4 unsigned int 
                  Expression Statement:
constant expression '_' char 
                  Expression Statement:
constant expression "\a" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\b" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\e" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\f" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\n" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\r" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\t" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\v" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\'" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\"" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\?" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\\" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\0" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "\377" array of char with dimension of constant expression 7 unsigned int 
                  Expression Statement:
constant expression "\xf" array of char with dimension of constant expression 6 unsigned int 
                  Expression Statement:
constant expression "\xff" array of char with dimension of constant expression 7 unsigned int 
                  Expression Statement:
constant expression "" array of char with dimension of constant expression 3 unsigned int 
                  Expression Statement:
constant expression "aa" array of char with dimension of constant expression 5 unsigned int 
                  Expression Statement:
constant expression "a\na" array of char with dimension of constant expression 7 unsigned int 
                  Expression Statement:
constant expression "a\0a" array of char with dimension of constant expression 7 unsigned int 
                  Expression Statement:
constant expression "_\377_" array of char with dimension of constant expression 9 unsigned int 
                  Expression Statement:
constant expression "_\xff_" array of char with dimension of constant expression 9 unsigned int 
                  Expression Statement:
constant expression "\xff" array of char with dimension of constant expression 7 unsigned int 
                  Expression Statement:
constant expression "\xffff" array of char with dimension of constant expression 9 unsigned int 
                  Expression Statement:
constant expression "\xfff" array of char with dimension of constant expression 8 unsigned int 
                  Expression Statement:
constant expression "a\xff34w" array of char with dimension of constant expression 11 unsigned int 
                  Expression Statement:
constant expression "\xffff" array of char with dimension of constant expression 9 unsigned int