---
name: "jose_io_t"
section: "3"
platform: "linux"
package: "jose"
version: "15-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/jose_io_t"
---

# jose\_io\_t(3)

The interface for chained IO.

## NAME

jose\_io\_t - The interface for chained IO.

## SYNOPSIS

### Data Fields

bool(\* **feed** )(**jose\_io\_t** \*io, const void \*in, size\_t len)\
 Pushes data into the IO chain.  bool(\* **done** )(**jose\_io\_t** \*io)\
 Completes the IO chain.

## Detailed Description

The interface for chained IO.

**See also:**

**jose\_io\_malloc()**

**jose\_io\_buffer()**

**jose\_io\_file()**

**jose\_io\_multiplex()**

**jose\_b64\_enc\_io()**

**jose\_b64\_dec\_io()**

**jose\_jws\_sig\_io()**

**jose\_jws\_ver\_io()**

**jose\_jwe\_dec\_io()**

**jose\_jwe\_dec\_cek\_io()**

**jose\_jwe\_enc\_io()**

**jose\_jwe\_enc\_cek\_io()**

## Field Documentation

### bool(\* jose\_io\_t::feed) (jose\_io\_t \*io, const void \*in, size\_t len)

Pushes data into the IO chain.

**Parameters:**

*io* The **jose\_io\_t** entity you are using. \
 *in* The input buffer. \
 *len* The length of the data in the input buffer.

**Returns:**

Returns true if all data was consumed, otherwise false.

### bool(\* jose\_io\_t::done) (jose\_io\_t \*io)

Completes the IO chain. Any data stored in internal buffers will be flushed.

**Parameters:**

*io* The **jose\_io\_t** entity you are using.

**Returns:**

Returns true if flushing was successful, otherwise false.

## Author

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