14.2.45  Scanf

The standard library Scanf api defines access to text-scanning functionality inspired by the C scanf() function.

The Scanf api is implemented by the scanf package.

The Scanf api source code is in src/lib/src/scanf.api.

See also: Sfprintf.

See also: printf_field.

See also: Number_String.

The above information is manually maintained and may contain errors.

api {    Printf_Arg 
      = BOOL Bool
      | CHAR Char
      | FLOAT Float
      | INT Int
      | LEFT (Int , Printf_Arg)
      | LINT multiword_int::Int
      | LUNT one_word_unt::Unt
      | QUICKSTRING quickstring__premicrothread::Quickstring
      | RIGHT (Int , Printf_Arg)
      | STRING String
      | UNT Unt
      | UNT8 one_byte_unt::Unt;
    exception BAD_FORMAT String;
    fnsscanf : (X -> Null_Or(((Char , X)) ))
               -> X -> String -> Null_Or(((List(Printf_Arg ) , X)) );
    sscanf : String -> String -> Null_Or(List(Printf_Arg ) );
    sscanf_by : String -> String -> Null_Or(List(Printf_Arg ) );
    fscanf : Input_Stream
             -> String -> Null_Or(List(Printf_Arg ) );
    scanf : String -> Null_Or(List(Printf_Arg ) );
};