castError.c:7:1 error: Cannot choose between 3 alternatives for expression Cast of:
  Name: f

to:
  char
Alternatives are:        Cost ( 1, 0, 0, 0 ): Cast of:
          Variable Expression: f: function
                accepting unspecified arguments
              returning 
                nothing 


        to:
          char
(types:
            char
)
        Environment: 

        Cost ( 1, 0, 0, 0 ): Cast of:
          Variable Expression: f: signed int

        to:
          char
(types:
            char
)
        Environment: 

        Cost ( 1, 0, 0, 0 ): Cast of:
          Variable Expression: f: double

        to:
          char
(types:
            char
)
        Environment: 


