Function rsmpeg::ffi::av_opt_child_class_next

pub unsafe extern "C" fn av_opt_child_class_next(
    parent: *const AVClass, 
    prev: *const AVClass
) -> *const AVClass

Iterate over potential AVOptions-enabled children of parent.

@param prev result of a previous call to this function or NULL @return AVClass corresponding to next potential child or NULL

@deprecated use av_opt_child_class_iterate