Strings


Procedure string-downcase (string-downcase string) => string: Returns a string that is the same as string except that every letter is lower case.
Procedure string-downcase! (string-downcase! string) => string: Converts every upper case letter in string to lower case and returns string.
Procedure substring-fill! (substring-fill! string start end char) => unspecified: Fill string with char from location start through location end-1.
Procedure string-upcase (string-upcase string) => string: Returns a string that is the same as string except that every letter is upper case.
Procedure string-upcase! (string-upcase! string) => string: Converts every lower case letter in string to upper case and returns string.