## 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 body
content of the message _msg_.

The returned message body is invalidated by a call to any of the functions that modify the message itself.
Such functions are xref:nng_msg_free.adoc[`nng_msg_free`], xref:nng_msg_realloc.adoc[`nng_msg_realloc`], any of the xref:nng_msg_trim.adoc[`nng_msg_trim`], xref:nng_msg_append.adoc[`nng_msg_append`], or xref:nng_msg_insert.adoc[`nng_msg_insert`] variants.

### Return Values

Pointer to start of message body.

### See Also

xref:nng_msg_append.adoc[nng_msg_append],
xref:nng_msg_free.adoc[nng_msg_free],
xref:nng_msg_insert.adoc[nng_msg_insert],
xref:nng_msg_len.adoc[nng_msg_len],
xref:nng_msg_capacity.adoc[nng_msg_capacity],
xref:nng_msg_reserve.adoc[nng_msg_reserve],
xref:nng_msg_realloc.adoc[nng_msg_realloc],
xref:nng_msg_trim.adoc[nng_msg_trim]