A repository of user-defined opcodes for Csound. http://www.csounds.com/udo/index.php Reverses the elements of an array-stringhttp://www.csounds.com/udo/displayOpcode.php?opcode_id=164 Returns a subset of elements in an array-stringhttp://www.csounds.com/udo/displayOpcode.php?opcode_id=163 returns the suffix of a filename or path, optional in lower case http://www.csounds.com/udo/displayOpcode.php?opcode_id=162 returns the name of a file pathhttp://www.csounds.com/udo/displayOpcode.php?opcode_id=161 returns the directory of a file pathhttp://www.csounds.com/udo/displayOpcode.php?opcode_id=160 Outputs a-rate impulses around a certain frequency.http://www.csounds.com/udo/displayOpcode.php?opcode_id=159 creates a time pointer for loopshttp://www.csounds.com/udo/displayOpcode.php?opcode_id=158 Delay-line pitchshifterhttp://www.csounds.com/udo/displayOpcode.php?opcode_id=157 Calcucaltes a Y value from a given X and 2 pairs of X/Y points, at k-timehttp://www.csounds.com/udo/displayOpcode.php?opcode_id=156 Calcucaltes a Y value from a given X and 2 pairs of X/Y points, at init-timehttp://www.csounds.com/udo/displayOpcode.php?opcode_id=155