---
name: "bson_iter_decimal128"
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_iter_decimal128"
---

# bson\_iter\_decimal128(3)

## SYNOPSIS

```
#define BSON_ITER_HOLDS_DECIMAL128(iter) \
   (bson_iter_type ((iter)) == BSON_TYPE_DECIMAL128)
bool
bson_iter_decimal128 (const bson_iter_t *iter, /* IN */
                      bson_decimal128_t *dec); /* OUT */
```

## PARAMETERS

- •

  **iter**: A *bson\_iter\_t*.

- •

  **dec**: A location for a *bson\_decimal128\_t*.

## DESCRIPTION

Fetches the value from a BSON\_TYPE\_DECIMAL128 field. You should verify that this is a BSON\_TYPE\_DECIMAL128 field before calling this function.

## RETURNS

true if type was BSON\_TYPE\_DECIMAL128, otherwise false.

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.