Function hacl_star_sys::chacha20::Hacl_Chacha20_chacha20

pub unsafe extern "C" fn Hacl_Chacha20_chacha20(
    output: *mut u8, 
    plain: *mut u8, 
    len: u32, 
    k: *mut u8, 
    n1: *mut u8, 
    ctr: u32
)