---
name: "iarray_init"
section: "3"
platform: "linux"
package: "libowfat-dev"
version: "0.32-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/iarray_init"
---

# iarray\_init(3)

initialize iarray data structure

## NAME

iarray\_init - initialize iarray data structure

## SYNTAX

**#include \<libowfat/iarray.h\>**

void **iarray\_init**(array\* *x*, size\_t *elemsize*);

  iarray *x*;\
   int64 *pos*;\
   *t*\* p = iarray\_init(&*x*,sizeof(*element*));

## DESCRIPTION

iarray\_init initializes an iarray so that it can hold elements of size *elemsize*.  iarray\_init does not actually allocate anything, so it can not fail.

## SEE ALSO

[iarray\_allocate(3)](/iarray_allocate/3.md), [iarray\_get(3)](/iarray_get/3.md), [iarray\_free(3)](/iarray_free/3.md)