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# NSPR
```{warning}
NSPR is a legacy library. We do not recommend using it in new projects.
It is maintained primarily for existing Mozilla code that still depends
on it; modern platform and standard-library facilities should be
preferred instead.
```
**Netscape Portable Runtime (NSPR)** provides a platform-neutral API for
system level and libc-like functions. The API is used in the Mozilla
clients, many of Red Hat's and Oracle's server applications, and other
software offerings.
## Documentation
{ref}`About NSPR`
: This topic describes, in general terms, the goals of NSPR and a bit
about how it does it.
{ref}`NSPR API Reference`
: The reference describes each API public macro, structure and function
in the NSPR API.
{ref}`NSPR build instructions`
: How to checkout and build from source.
{ref}`NSPR release procedure`
: How to cut a new NSPR release: bumping the version and producing the
distributions.
{ref}`NSPR listing`
: All NSPR pages
(getting-nspr)=
## Getting NSPR
NSPR is available in various source and binary packages, depending on
your platform:
- **Windows:** Build the source package, using the {ref}`NSPR build
instructions`.
- **Ubuntu:** Install the *libnspr4-dev* package via `apt-get.`
- **Debian:** Install the *libnspr4-dev* package via `apt-get`.
- **openSUSE Linux:** Install one or more of the following via `yast`
or `zypper` :
- *mozilla-nspr* : Binary libraries for your platform
- *mozilla-nspr-32bit* : Binary libraries needed to run 32-bit
programs on a 64-bit OS
- *mozilla-nspr-devel* : Files needed (in addition to the above
libraries) to compile programs using NSPR
- *mozilla-nspr-debuginfo* : Debug information (including build
symbols) for package *mozilla-nspr*
- *mozilla-nspr-debuginfo-32bit* : Debug information (including
build symbols) for package *mozilla-nspr-32bit*
- *mozilla-nspr-debugsource* : Debug sources for all of the above
## Community
View Mozilla forums:
- [RSS
(related-topics)=
## Related Topics
- {ref}`Networking`, {ref}`Network Security Services (NSS)`