---
name: "nng_msg_body"
section: "3"
platform: "linux"
package: "libnng-dev"
version: "1.10.1-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nng_msg_body"
---

# nng\_msg\_body(3)

return message body

## NAME

nng\_msg\_body - return message body

## SYNOPSIS

```
#include <nng/nng.h>
void *nng_msg_body(nng_msg *msg);
```

## DESCRIPTION

The `nng_msg_body()` function returns a pointer to the start of the body content of the message *msg*.

**Note**\

The value returned by this is invalidated by a call to any of the functions that modify the message itself. Such functions are `nng_msg_free()`, `nng_msg_realloc()`, any of the `nng_msg_trim()`, `nng_msg_chop()`, `nng_msg_append()`, or `nng_msg_insert()` variants.

## RETURN VALUES

Pointer to start of message body.

## ERRORS

None.

## SEE ALSO

[nng\_msg\_alloc(3)](/nng_msg_alloc/3.md), [nng\_msg\_append(3)](/nng_msg_append/3.md), [nng\_msg\_chop(3)](/nng_msg_chop/3.md), [nng\_msg\_free(3)](/nng_msg_free/3.md), [nng\_msg\_insert(3)](/nng_msg_insert/3.md), [nng\_msg\_len(3)](/nng_msg_len/3.md), nng\_msg\_capacity(3), nng\_msg\_reserve(3), [nng\_msg\_realloc(3)](/nng_msg_realloc/3.md), [nng\_msg\_trim(3)](/nng_msg_trim/3.md), [nng\_msg(5)](/nng_msg/5.md), [nng(7)](/nng/7.md)