Package Strlib Is
    -- String Handling Package Specification
    -- Last Modified 6/ 3/82


    -- Copyright 1982  RR Software, P.O. Box 1512, Madison WI 53701
    -- Permission is hereby given to distribute Object Code produced from
    -- these libraries.


    Subtype Mstring Is String(255); -- Maximum string length
    Subtype StrIndex Is Integer Range 0..255; -- Maximum string indices

Function Length (str : In Mstring) Return Integer;
    -- Return the length of the string
Function Remove (str : In Mstring; pos,size : In StrIndex) Return Mstring;
    -- Remove size characters from str at pos
Function Insert (source,dest : In MString; pos : In StrIndex) Return MString;
    -- Insert source into dest at pos
Function Extract (str : In Mstring; pos,size : In StrIndex) Return Mstring;
    -- Extract size characters from str at pos
Function Position (pattern,str : Mstring) Return Integer;
    -- Return the position of the first occurance of pattern in str,
    -- or 0 if there is none
Function char_to_str (char : character) Return String;
    -- Convert a character into a string of length 1
Function str_to_int (str : Mstring) Return Integer;
    -- Convert a string into an integer
Function int_to_str (int : Integer) Return Mstring;
    -- Convert an integer into a string

End Strlib;
 : Mstring) Return Integer;
    -- Return the position of the first occurance of pattern in str,
    -- or 0 if there is nonemove (str : In Mstring; pos,size : In StrIndex) Return Mstring;
    -- Remove size characters from str at pos
Function Insert