---
name: "bson_malloc0"
section: "3"
platform: "linux"
package: "libbson-doc"
version: "1.30.4-1+deb13u3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/bson_malloc0"
---

# bson\_malloc0(3)

## SYNOPSIS

```
void *
bson_malloc0 (size_t num_bytes);
```

## PARAMETERS

- •

  **num\_bytes**: A size\_t.

## DESCRIPTION

This is a portable **malloc()** wrapper that also sets the memory to zero. Similar to **calloc()**.

In general, this function will return an allocation at least **sizeof(void\*)** bytes or bigger.

If there was a failure to allocate **num\_bytes** bytes, the process will be aborted.

**WARNING:**

This function will abort on failure to allocate memory.

## RETURNS

A pointer to a memory region which *HAS* been zeroed.

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.