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Asked: 2026-06-13T07:27:10+00:00

I have many legacy C libraries used for numerical analysis and scientific computing (e.g.

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I have many legacy C libraries used for numerical analysis and scientific computing (e.g. simulation) that I want to use in a web application I am building (so far I have only been using Javascript to make a user interface). What options do I have in doing this on the client side and/or the server side? I heard about using native client with chrome, but I dislike that the client has to turn on the native client flag to do this.

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  1. Editorial Team

    On Server Side:

    To begin with CGI (Common Gateway Interface) is the most basic method to be able to use native C libraries in a web application – wherein you delegate an executable (say written in C) to generate the sever side web content.

    But CGI is very primitive and inefficient. Each command can result in creation of a new Process on the server. Thus here are other viable alternates:

    1. Apache Modules let you run third party software within the web server itself.
    2. FastCGI – Single Process handles more than one user request.
    3. SCGI – Simple CGI

    Refer: http://en.wikipedia.org/wiki/Common_Gateway_Interface#Alternatives

    On Client Side:

    Good News & Bad News:

    You can use PNaCl (Portable Native Client) in chrome. It will be turned on by default.
    BUT the first public release is expected in late 2013.Look for PNaCl

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