<div dir="ltr"><div class="gmail_default" style="font-size:small">You can download the NCL source code, and then look in the directory ncl_ncarg-6.3.0/ni/src/lib/nfpfort for the Fortran codes, and $NCARG/ni/src/lib/nfp for the C wrappers.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">The source code can be found at:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style=""><a href="https://www.earthsystemgrid.org/dataset/ncl.630.2/file.html">https://www.earthsystemgrid.org/dataset/ncl.630.2/file.html</a><br></div><div class="gmail_default" style=""><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Aug 11, 2016 at 5:45 AM, Licheng Geng <span dir="ltr">&lt;<a href="mailto:lgeng@hawaii.edu" target="_blank">lgeng@hawaii.edu</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;font-size:small"><div class="gmail_default" style="font-family:georgia,serif;font-size:small">Hi,<br><br></div>Is it possible to view and modify codes of built-in function and procedures? <br>Just couldn&#39;t find the codes. <br><br>Thanks!</div></div>
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