pr_versioncheck.md

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# PR_VersionCheck

Compares the version of NSPR assumed by the caller (the imported

version) with the version being offered by the runtime (the exported

version).

## Syntax

```{code}

#include <prinit.h>

PRBool PR_VersionCheck(const char *importedVersion);

```

### Parameter

{ref}`PR_VersionCheck` has one parameter:

`importedVersion`

: The version of the shared library being imported.

### Returns

The function returns one of the following values:

- If the version of the shared library is compatible with that expected

  by the caller, `PR_TRUE`.

- If the versions are not compatible, `PR_FALSE`.

## Description

{ref}`PR_VersionCheck` tests whether the version of the library being

imported (`importedVersion`) is compatible with the running version of

the shared library. This is a string comparison of sorts, though the

details of the comparison will vary over time.

## See Also

- [PR_VERSION](PR_VERSION)