ObjFW  Diff

 * Creates a new string by appending another string.
 *
 * \param str The string to append
 * \return A new autoreleased OFString with the specified string appended
 */
- (OFString*)stringByAppendingString: (OFString*)str;

/**
 * Creates a new string by deleting leading whitespaces.
 *
 * \return A new autoreleased OFString with leading whitespaces deleted
 */
- (OFString*)stringByDeletingLeadingWhitespaces;

/**
 * Creates a new string by deleting trailing whitespaces.
 *
 * \return A new autoreleased OFString with trailing whitespaces deleted
 */
- (OFString*)stringByDeletingTrailingWhitespaces;

/**
 * Creates a new string by deleting leading and trailing whitespaces.
 *
 * \return A new autoreleased OFString with leading and trailing whitespaces
 *	   deleted
 */
- (OFString*)stringByDeletingLeadingAndTrailingWhitespaces;

/**
 * Checks whether the string has the specified prefix.
 *
 * \param prefix The prefix to check for
 * \return A boolean whether the string has the specified prefix
 */
- (BOOL)hasPrefix: (OFString*)prefix;