---
name: "optionVersion"
section: "3"
platform: "linux"
package: "autogen"
version: "5.18.16-6"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/optionVersion"
---

# optionVersion(3)

return the compiled AutoOpts version number

## NAME

optionVersion - return the compiled AutoOpts version number

## SYNOPSIS

\#include \<*your-opts.h*\>\
 cc \[...\] -o outfile infile.c -l**opts** \[...\]

char const \* **optionVersion**(void);

## DESCRIPTION

Returns the full version string compiled into the library. The returned string cannot be modified.

## RETURN VALUE

the version string in constant memory

## SEE ALSO

The *info* documentation for the -l*opts* library.\
 [ao\_string\_tokenize(3)](/ao_string_tokenize/3.md), [configFileLoad(3)](/configFileLoad/3.md), [optionFileLoad(3)](/optionFileLoad/3.md), [optionFindNextValue(3)](/optionFindNextValue/3.md), [optionFindValue(3)](/optionFindValue/3.md), [optionFree(3)](/optionFree/3.md), [optionGetValue(3)](/optionGetValue/3.md), [optionLoadLine(3)](/optionLoadLine/3.md), [optionMemberList(3)](/optionMemberList/3.md), [optionNextValue(3)](/optionNextValue/3.md), [optionOnlyUsage(3)](/optionOnlyUsage/3.md), [optionPrintVersion(3)](/optionPrintVersion/3.md), [optionPrintVersionAndReturn(3)](/optionPrintVersionAndReturn/3.md), [optionProcess(3)](/optionProcess/3.md), [optionRestore(3)](/optionRestore/3.md), [optionSaveFile(3)](/optionSaveFile/3.md), [optionSaveState(3)](/optionSaveState/3.md), [optionUnloadNested(3)](/optionUnloadNested/3.md), [strequate(3)](/strequate/3.md), [streqvcmp(3)](/streqvcmp/3.md), [streqvmap(3)](/streqvmap/3.md), [strneqvcmp(3)](/strneqvcmp/3.md), [strtransform(3)](/strtransform/3.md),