rust_uv_current_kernel_mallocrust_uv_current_kernel_freerust_uv_helper_uv_tcp_t_sizerust_uv_current_kernel_mallocfn rust_uv_current_kernel_malloc(size: libc::c_uint) -> *libc::c_voidrust_uv_current_kernel_freefn rust_uv_current_kernel_free(mem: *libc::c_void)rust_uv_helper_uv_tcp_t_sizefn rust_uv_helper_uv_tcp_t_size() -> libc::c_uint