Function nginx::DSA_meth_set_paramgen

pub unsafe extern "C" fn DSA_meth_set_paramgen(
    dsam: *mut DSA_METHOD, 
    paramgen: Option<unsafe extern "C" fn(arg1: *mut DSA, arg2: c_int, arg3: *const c_uchar, arg4: c_int, arg5: *mut c_int, arg6: *mut c_ulong, arg7: *mut BN_GENCB) -> c_int>
) -> c_int