---
name: "_allmul"
section: "3w"
platform: "linux"
package: "libwine-dev"
version: "1.4.1-4"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/_allmul"
---

# \_allmul(3w)

## NAME

**\_allmul** (NTDLL.@)

## SYNOPSIS

LONGLONG \_allmul\
  (\
   LONGLONG *a*,\
   LONGLONG *b*\
  )

## DESCRIPTION

Multiply two **64** bit integers.

## PARAMS

*a* **\[In\]**  Initial number.

*b* **\[In\]**  Number to multiply *a* by.

## RETURNS

The product of *a* and *b*.

## IMPLEMENTATION

Not declared in *a* Wine header. The function is either undocumented, or missing from Wine.

Implemented in **"dlls/ntdll/large\_int.c"**.