pub type _bindgen_ty_34 = c_int;Expand description
–––––––––– Effect Parameter Description Structures ––––––––––
In general each structure is divided into two parts: a) description of the parameter b) setting of parameter at the current invocation time
A number of these structures end in A_char*, A_char[] unions. These structures are “flattened” between the add_param callback (in which the A_char * should be used) and the read-only values accessible when the effect is later invoked (at which time the A_char [] is used and the string data is concatenated right at the end of the struct).