Function ffmpeg_sys_next::av_opt_set_from_string

pub unsafe extern "C" fn av_opt_set_from_string(
    ctx: *mut c_void, 
    opts: *const c_char, 
    shorthand: *const *const c_char, 
    key_val_sep: *const c_char, 
    pairs_sep: *const c_char
) -> c_int