!
@abstract Read a line (and its \n or \r\n terminator) from a file
@param fp The file handle
@param delimiter Unused, but must be '\n' (or KS_SEP_LINE)
@param str The line (not including the terminator) is written here
@return Length of the string read;
-1 on end-of-file; <= -2 on error
! @abstract Read a line (and its \n or \r\n terminator) from a file @param fp The file handle @param delimiter Unused, but must be '\n' (or KS_SEP_LINE) @param str The line (not including the terminator) is written here @return Length of the string read; -1 on end-of-file; <= -2 on error