Function gpgme_sys::gpgme_op_spawn_start

pub unsafe extern "C" fn gpgme_op_spawn_start(
    ctx: gpgme_ctx_t, 
    file: *const c_char, 
    argv: *mut *const c_char, 
    datain: gpgme_data_t, 
    dataout: gpgme_data_t, 
    dataerr: gpgme_data_t, 
    flags: c_uint
) -> gpgme_error_t