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# nng_msg_body
## NAME
nng_msg_body --- return message body
## SYNOPSIS
```c
#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 {{i:body}}
content of the [message][msg] _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_free],
> [`nng_msg_realloc()`][nng_msg_realloc],
> any of the [`nng_msg_trim()`][nng_msg_trim],
> [`nng_msg_chop()`][nng_msg_chop],
> [`nng_msg_append()`][nng_msg_append],
> or [`nng_msg_insert()`][nng_msg_insert] variants.
## RETURN VALUES
Pointer to start of message body.
## SEE ALSO
[nng_msg_alloc][nng_msg_alloc],
[nng_msg_append][nng_msg_append],
[nng_msg_capacity][nng_msg_capacity],
[nng_msg_chop][nng_msg_chop],
[nng_msg_clear][nng_msg_clear],
[nng_msg_free][nng_msg_free],
[nng_msg_insert][nng_msg_insert],
[nng_msg_len][nng_msg_len],
[nng_msg_reserve][nng_msg_reserve],
[nng_msg_realloc][nng_msg_realloc],
[nng_msg_trim][nng_msg_trim]
{{#include ../refs.md}}
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