Search notes:

Csound opcode: opcode / endop

opcode: Define user defined opcodes (UDO). 
opcode FooBar, a, aakk ; Return a a variable, take two a variables and two k variables

  a_in_one, a_in_two, k_in_one, k_in_two xin
  ; 
  ; do smthing
  ;
  a_out = ...
  xout a_out
endop

See also

Csound opcodes

Links

UDO database
Library of Csound UDO Code @ github, by Steven Yi.

Index

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