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    <H1 ALIGN=CENTER>
      CNF and F77 <BR>
<BR>
Mixed Language Programming - FORTRAN and C
<BR>
Version 4.0
<BR>
Programmer's Manual
    </H1> <HR>

<P>
 <P> <I>
   Starlink User Note 209.6
<BR>
P.M. Allan
<BR>
A.J. Chipperfield
<BR>
R.F. Warren-Smith
<BR>
19 January 2000
    </I> </P> <H3>
      <A NAME="tex2html1"
 HREF="http://www.cclrc.ac.uk">CCLRC</A>
/
      <A NAME="tex2html2"
 HREF="http://www.cclrc.ac.uk/ral">Rutherford Appleton Laboratory</A>

<BR>
      <A NAME="tex2html3"
 HREF="http://www.pparc.ac.uk">Particle Physics &amp; Astronomy Research Council</A>

<BR>
    </H3> <H2>
      <A NAME="tex2html4"
 HREF="http://www.starlink.rl.ac.uk/">Starlink Project</A>
 </H2>
   <A NAME="tex2html5"
 HREF="http://www.starlink.rl.ac.uk/cgi-bin/hcserver?sun209.6"><IMG
 ALIGN="BOTTOM" BORDER="0" SRC="source.gif"
 ALT="249"> Retrieve hardcopy</A>
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<A NAME="stardoccontents"></A>   
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    <H2>Contents</H2>

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<BR> <HR>
<!--Table of Child-Links-->
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<UL>
<LI><A NAME="tex2html12"
 HREF="node1.html">Abstract</A>
<LI><A NAME="tex2html13"
 HREF="node2.html">How to read this document</A>
<LI><A NAME="tex2html14"
 HREF="node3.html">Cookbook</A>
<UL>
<LI><A NAME="tex2html15"
 HREF="node4.html">Calling C from FORTRAN</A>
<LI><A NAME="tex2html16"
 HREF="node5.html">Calling FORTRAN from C</A>
<LI><A NAME="tex2html17"
 HREF="node6.html">Building the Program</A>
</UL>
<LI><A NAME="tex2html18"
 HREF="node7.html">Representation of Data</A>
<UL>
<LI><A NAME="tex2html19"
 HREF="node8.html">Numeric Types</A>
<LI><A NAME="tex2html20"
 HREF="node9.html">Characters</A>
<LI><A NAME="tex2html21"
 HREF="node10.html">Logical Types</A>
<LI><A NAME="tex2html22"
 HREF="node11.html">Pointer Types</A>
<LI><A NAME="tex2html23"
 HREF="node12.html">Arrays</A>
<LI><A NAME="tex2html24"
 HREF="node13.html">Same Language - Different Compiler</A>
</UL>
<LI><A NAME="tex2html25"
 HREF="node14.html">Communication Between Routines</A>
<UL>
<LI><A NAME="tex2html26"
 HREF="node15.html">Arguments</A>
<LI><A NAME="tex2html27"
 HREF="node16.html">Function Values</A>
<LI><A NAME="tex2html28"
 HREF="node17.html">Global Data</A>
</UL>
<LI><A NAME="tex2html29"
 HREF="node18.html">More on 
Calling C from FORTRAN</A>
<UL>
<LI><A NAME="tex2html30"
 HREF="node19.html">General Description</A>
<LI><A NAME="tex2html31"
 HREF="node20.html">Declaration of a Function</A>
<LI><A NAME="tex2html32"
 HREF="node21.html">Declaration of Arguments</A>
<LI><A NAME="tex2html33"
 HREF="node22.html">Arguments - and Pointers to Them</A>
<LI><A NAME="tex2html34"
 HREF="node23.html">Type Specifiers</A>
<LI><A NAME="tex2html35"
 HREF="node24.html">Logical Values</A>
<LI><A NAME="tex2html36"
 HREF="node25.html">External Names</A>
<LI><A NAME="tex2html37"
 HREF="node26.html">Common Blocks</A>
</UL>
<LI><A NAME="tex2html38"
 HREF="node27.html">Converting Between FORTRAN and C Strings</A>
<UL>
<LI><A NAME="tex2html39"
 HREF="node28.html">The CNF Functions</A>
<LI><A NAME="tex2html40"
 HREF="node29.html">Handling Byte Strings (HDS Locators)</A>
<LI><A NAME="tex2html41"
 HREF="node30.html">Using Dynamic FORTRAN Character Strings</A>
</UL>
<LI><A NAME="tex2html42"
 HREF="node31.html">Pointers</A>
<UL>
<LI><A NAME="tex2html43"
 HREF="node32.html">Pointer
Registration and Conversion</A>
<LI><A NAME="tex2html44"
 HREF="node33.html">Allocating
Exportable Dynamic Memory</A>
<LI><A NAME="tex2html45"
 HREF="node34.html">Accessing
Dynamic Memory from C and FORTRAN</A>
<LI><A NAME="tex2html46"
 HREF="node35.html">Registering Your Own
Pointers</A>
</UL>
<LI><A NAME="tex2html47"
 HREF="node36.html">More on
Calling FORTRAN from C</A>
<LI><A NAME="tex2html48"
 HREF="node37.html">More on Arrays</A>
<UL>
<LI><A NAME="tex2html49"
 HREF="node38.html">CHARACTER and LOGICAL Arrays</A>
<LI><A NAME="tex2html50"
 HREF="node39.html">Arrays of <TT>pointer to char</TT></A>
<LI><A NAME="tex2html51"
 HREF="node40.html">POINTER Arrays</A>
</UL>
<LI><A NAME="tex2html52"
 HREF="node41.html">The IMPORT and EXPORT Macros</A>
<LI><A NAME="tex2html53"
 HREF="node42.html">Subroutines and Functions as Arguments</A>
<LI><A NAME="tex2html54"
 HREF="node43.html">Other Approaches to Mixed Language Programming</A>
<LI><A NAME="tex2html55"
 HREF="node44.html">Compiling and Linking</A>
<LI><A NAME="tex2html56"
 HREF="node45.html">Implementation Specific Details</A>
<UL>
<LI><A NAME="tex2html57"
 HREF="node46.html">Sun</A>
<UL>
<LI><A NAME="tex2html58"
 HREF="node47.html">General</A>
<LI><A NAME="tex2html59"
 HREF="node48.html">Data Types</A>
<LI><A NAME="tex2html60"
 HREF="node49.html">External Names</A>
<LI><A NAME="tex2html61"
 HREF="node50.html">Arguments</A>
<LI><A NAME="tex2html62"
 HREF="node51.html">Function Values</A>
<LI><A NAME="tex2html63"
 HREF="node52.html">Global Data</A>
</UL>
<LI><A NAME="tex2html64"
 HREF="node53.html">DEC Unix</A>
<UL>
<LI><A NAME="tex2html65"
 HREF="node54.html">General</A>
<LI><A NAME="tex2html66"
 HREF="node55.html">LOGICAL Values</A>
<LI><A NAME="tex2html67"
 HREF="node56.html">POINTERS on Alphas</A>
</UL>
<LI><A NAME="tex2html68"
 HREF="node57.html">VAX/VMS</A>
<UL>
<LI><A NAME="tex2html69"
 HREF="node58.html">General</A>
<LI><A NAME="tex2html70"
 HREF="node59.html">Data Types</A>
<LI><A NAME="tex2html71"
 HREF="node60.html">Arguments</A>
<LI><A NAME="tex2html72"
 HREF="node61.html">Function Values</A>
<LI><A NAME="tex2html73"
 HREF="node62.html">Global Data</A>
</UL>
<LI><A NAME="tex2html74"
 HREF="node63.html">Other Operating Systems</A>
</UL>
<LI><A NAME="tex2html75"
 HREF="node64.html">Rationale for Mixed Language Programming</A>
<LI><A NAME="tex2html76"
 HREF="node65.html">Alphabetical List of F77 Macros</A>
<LI><A NAME="tex2html77"
 HREF="node66.html">Classified List of F77 Macros</A>
<UL>
<LI><A NAME="tex2html78"
 HREF="node67.html">Declaration of a C Function</A>
<LI><A NAME="tex2html79"
 HREF="node68.html">Arguments of a C Function</A>
<LI><A NAME="tex2html80"
 HREF="node69.html">Generate Pointers to Arguments</A>
<LI><A NAME="tex2html81"
 HREF="node70.html">Data Type Macros</A>
<LI><A NAME="tex2html82"
 HREF="node71.html">Logical Value Macros</A>
<LI><A NAME="tex2html83"
 HREF="node72.html">External Name Macro</A>
<LI><A NAME="tex2html84"
 HREF="node73.html">Common Block Macros</A>
<LI><A NAME="tex2html85"
 HREF="node74.html">Declaring Variables for Passing to a FORTRAN Routine</A>
<LI><A NAME="tex2html86"
 HREF="node75.html">Importing and Exporting Arguments</A>
<LI><A NAME="tex2html87"
 HREF="node76.html">Passing Arguments to a FORTRAN Routine</A>
</UL>
<LI><A NAME="tex2html88"
 HREF="node77.html">Full Description of F77 Macros</A>
<UL>
<LI><A NAME="tex2html89"
 HREF="node78.html">Generic Descriptions</A>
<LI><A NAME="tex2html90"
 HREF="node79.html">DECLARE_<I>type</I>
-   Declare a FORTRAN variable
</A>
<LI><A NAME="tex2html91"
 HREF="node80.html">DECLARE_<I>type</I>_ARRAY
-   Declare a FORTRAN array
</A>
<LI><A NAME="tex2html92"
 HREF="node81.html">DECLARE_<I>type</I>_ARRAY_DYN
-   Declare a dynamic <I>type</I> array
</A>
<LI><A NAME="tex2html93"
 HREF="node82.html">F77_ASSOC_<I>type</I>_ARRAY
-   Associate a FORTRAN array with a C array.
</A>
<LI><A NAME="tex2html94"
 HREF="node83.html">F77_CREATE_<I>type</I>_ARRAY
-   Create an array of <I>type</I>.
</A>
<LI><A NAME="tex2html95"
 HREF="node84.html">F77_EXPORT_<I>type</I>
-   Export a C variable to a FORTRAN variable.
</A>
<LI><A NAME="tex2html96"
 HREF="node85.html">F77_EXPORT_<I>type</I>_ARRAY
-   Export an array of <I>type</I> from C
   to FORTRAN
</A>
<LI><A NAME="tex2html97"
 HREF="node86.html">F77_FREE_<I>type</I>
-   Free a dynamic variable of <I>type</I>
</A>
<LI><A NAME="tex2html98"
 HREF="node87.html">F77_IMPORT_<I>type</I>
-   Import a FORTRAN variable to a C variable.
</A>
<LI><A NAME="tex2html99"
 HREF="node88.html">F77_IMPORT_<I>type</I>_ARRAY
-   Import an array of <I>type</I> from FORTRAN
   to C
</A>
<LI><A NAME="tex2html100"
 HREF="node89.html">F77_<I>type</I>_FUNCTION
-   Declare a FORTRAN function
</A>
<LI><A NAME="tex2html101"
 HREF="node90.html">GENPTR_<I>type</I>
-   Generate a pointer to an argument
</A>
<LI><A NAME="tex2html102"
 HREF="node91.html">GENPTR_<I>type</I>_ARRAY
-   Generate a pointer to an array argument
</A>
<LI><A NAME="tex2html103"
 HREF="node92.html">GENPTR_<I>type</I>_FUNCTION
-   Generate a pointer to a FUNCTION argument
</A>
<LI><A NAME="tex2html104"
 HREF="node93.html"><I>type</I>
-   Declare a <I>type</I> argument
</A>
<LI><A NAME="tex2html105"
 HREF="node94.html"><I>type</I>_ARG
-   Pass a <I>type</I> argument to a FORTRAN routine
</A>
<LI><A NAME="tex2html106"
 HREF="node95.html"><I>type</I>_ARRAY
-   Declare a array argument
</A>
<LI><A NAME="tex2html107"
 HREF="node96.html"><I>type</I>_ARRAY_ARG
-   Pass an array argument to a FORTRAN routine
</A>
<LI><A NAME="tex2html108"
 HREF="node97.html"><I>type</I>_FUNCTION
-   Declare a FUNCTION argument
</A>
<LI><A NAME="tex2html109"
 HREF="node98.html"><I>type</I>_FUNCTION_ARG
-   Pass a FUNCTION argument to a FORTRAN routine
</A>
<LI><A NAME="tex2html110"
 HREF="node99.html">Specific Descriptions</A>
<LI><A NAME="tex2html111"
 HREF="node100.html">CHARACTER
-   Declare a CHARACTER argument
</A>
<LI><A NAME="tex2html112"
 HREF="node101.html">CHARACTER_ARG
-   Pass a CHARACTER argument to a FORTRAN routine
</A>
<LI><A NAME="tex2html113"
 HREF="node102.html">CHARACTER_ARRAY
-   Declare a CHARACTER array argument
</A>
<LI><A NAME="tex2html114"
 HREF="node103.html">CHARACTER_ARRAY_ARG
-   Pass a CHARACTER array argument to a FORTRAN routine
</A>
<LI><A NAME="tex2html115"
 HREF="node104.html">CHARACTER_RETURN_ARG
-   Pass argument(s) that will be the return value of a FORTRAN CHARACTER
   FUNCTION
</A>
<LI><A NAME="tex2html116"
 HREF="node105.html">CHARACTER_RETURN_VALUE
-   Declare argument(s) that will be the return value of a FORTRAN CHARACTER
   FUNCTION
</A>
<LI><A NAME="tex2html117"
 HREF="node106.html">DECLARE_CHARACTER
-   Declare a CHARACTER variable
</A>
<LI><A NAME="tex2html118"
 HREF="node107.html">DECLARE_CHARACTER_ARRAY
-   Declare a CHARACTER array
</A>
<LI><A NAME="tex2html119"
 HREF="node108.html">DECLARE_CHARACTER_DYN
-   Declare a CHARACTER variable
</A>
<LI><A NAME="tex2html120"
 HREF="node109.html">F77_BLANK_COMMON
-   Refer to blank common
</A>
<LI><A NAME="tex2html121"
 HREF="node110.html">F77_BYTE_TYPE
-   Define the type BYTE
</A>
<LI><A NAME="tex2html122"
 HREF="node111.html">F77_CALL
-   Call a FORTRAN routine from C
</A>
<LI><A NAME="tex2html123"
 HREF="node112.html">F77_CHARACTER_ARG_TYPE
-   Define the type of a FORTRAN CHARACTER argument
</A>
<LI><A NAME="tex2html124"
 HREF="node113.html">F77_CHARACTER_ARRAY_ARG_TYPE
-   Define the type of a FORTRAN CHARACTER array argument
</A>
<LI><A NAME="tex2html125"
 HREF="node114.html">F77_CHARACTER_TYPE
-   Define the type CHARACTER
</A>
<LI><A NAME="tex2html126"
 HREF="node115.html">F77_CREATE_CHARACTER
-   Create a FORTRAN CHARACTER variable
</A>
<LI><A NAME="tex2html127"
 HREF="node116.html">F77_CREATE_CHARACTER_ARRAY
-   Create a FORTRAN CHARACTER array
</A>
<LI><A NAME="tex2html128"
 HREF="node117.html">F77_CREATE_CHARACTER_ARRAY_M
-   Create a FORTRAN CHARACTER array (n-D)
</A>
<LI><A NAME="tex2html129"
 HREF="node118.html">F77_CREATE_LOGICAL_ARRAY_M
-   Create a FORTRAN LOGICAL array (n-D)
</A>
<LI><A NAME="tex2html130"
 HREF="node119.html">F77_DOUBLE_TYPE
-   Define the type DOUBLE PRECISION
</A>
<LI><A NAME="tex2html131"
 HREF="node120.html">F77_EXPORT_CHARACTER
-   Export a C variable to a FORTRAN variable.
</A>
<LI><A NAME="tex2html132"
 HREF="node121.html">F77_EXPORT_CHARACTER_ARRAY
-   Export a CHARACTER array from C to FORTRAN
</A>
<LI><A NAME="tex2html133"
 HREF="node122.html">F77_EXPORT_CHARACTER_ARRAY_P
-   Export an array of pointers to char from C to a FORTRAN CHARACTER array.
</A>
<LI><A NAME="tex2html134"
 HREF="node123.html">F77_EXTERNAL_NAME
-   The external name of a function
</A>
<LI><A NAME="tex2html135"
 HREF="node124.html">F77_FALSE
-   The logical value FALSE
</A>
<LI><A NAME="tex2html136"
 HREF="node125.html">F77_IMPORT_CHARACTER
-   Import a FORTRAN variable to a C variable.
</A>
<LI><A NAME="tex2html137"
 HREF="node126.html">F77_IMPORT_CHARACTER_ARRAY
-   Import a CHARACTER array from FORTRAN to C.
</A>
<LI><A NAME="tex2html138"
 HREF="node127.html">F77_IMPORT_CHARACTER_ARRAY_P
-   Import a FORTRAN CHARACTER array to a C array of pointers to char.
</A>
<LI><A NAME="tex2html139"
 HREF="node128.html">F77_INTEGER_TYPE
-   Define the type INTEGER
</A>
<LI><A NAME="tex2html140"
 HREF="node129.html">F77_ISFALSE
-   Is this the FORTRAN logical value false?
</A>
<LI><A NAME="tex2html141"
 HREF="node130.html">F77_ISTRUE
-   Is this the FORTRAN logical value true?
</A>
<LI><A NAME="tex2html142"
 HREF="node131.html">F77_LOGICAL_TYPE
-   Define the type LOGICAL
</A>
<LI><A NAME="tex2html143"
 HREF="node132.html">F77_NAMED_COMMON
-   Refer to a named common block
</A>
<LI><A NAME="tex2html144"
 HREF="node133.html">F77_POINTER_TYPE
-   Define the type POINTER
</A>
<LI><A NAME="tex2html145"
 HREF="node134.html">F77_REAL_TYPE
-   Define the type REAL
</A>
<LI><A NAME="tex2html146"
 HREF="node135.html">F77_SUBROUTINE
-   Declare a SUBROUTINE
</A>
<LI><A NAME="tex2html147"
 HREF="node136.html">F77_TRUE
-   The logical value TRUE
</A>
<LI><A NAME="tex2html148"
 HREF="node137.html">F77_UBYTE_TYPE
-   Define the type UBYTE
</A>
<LI><A NAME="tex2html149"
 HREF="node138.html">F77_UWORD_TYPE
-   Define the type UWORD
</A>
<LI><A NAME="tex2html150"
 HREF="node139.html">F77_WORD_TYPE
-   Define the type WORD
</A>
<LI><A NAME="tex2html151"
 HREF="node140.html">GENPTR_CHARACTER
-   Generate a pointer to a CHARACTER argument
</A>
<LI><A NAME="tex2html152"
 HREF="node141.html">GENPTR_CHARACTER_ARRAY
-   Generate a pointer to a CHARACTER array argument
</A>
<LI><A NAME="tex2html153"
 HREF="node142.html">GENPTR_SUBROUTINE
-   Generate a pointer to a SUBROUTINE argument.
</A>
<LI><A NAME="tex2html154"
 HREF="node143.html">SUBROUTINE
-   Declare a SUBROUTINE argument.
</A>
<LI><A NAME="tex2html155"
 HREF="node144.html">SUBROUTINE_ARG
-   Pass a SUBROUTINE argument to a FORTRAN routine.
</A>
<LI><A NAME="tex2html156"
 HREF="node145.html">TRAIL
-   Declare hidden trailing arguments
</A>
<LI><A NAME="tex2html157"
 HREF="node146.html">TRAIL_ARG
-   Pass the length of a CHARACTER argument to a FORTRAN routine
</A>
</UL>
<LI><A NAME="tex2html158"
 HREF="node147.html">Classified List of CNF Functions</A>
<UL>
<LI><A NAME="tex2html159"
 HREF="node148.html">Import a FORTRAN String to C</A>
<LI><A NAME="tex2html160"
 HREF="node149.html">Export a C String to FORTRAN</A>
<LI><A NAME="tex2html161"
 HREF="node150.html">String Lengths</A>
<LI><A NAME="tex2html162"
 HREF="node151.html">Miscellaneous String Handling</A>
<LI><A NAME="tex2html163"
 HREF="node152.html">LOGICAL Array Handling</A>
<LI><A NAME="tex2html164"
 HREF="node153.html">Memory and Pointer Handling</A>
</UL>
<LI><A NAME="tex2html165"
 HREF="node154.html">CNF C Routine Descriptions</A>
<UL>
<LI><A NAME="tex2html166"
 HREF="node155.html">cnfCalloc
-   Allocate space that may be accessed from C and FORTRAN
</A>
<LI><A NAME="tex2html167"
 HREF="node156.html">cnfCopyf
-   Copy one FORTRAN string to another FORTRAN string
</A>
<LI><A NAME="tex2html168"
 HREF="node157.html">cnfCptr
-   Convert a FORTRAN pointer to a C pointer
</A>
<LI><A NAME="tex2html169"
 HREF="node158.html">cnfCreat
-   Create a temporary C string and return a pointer to it
</A>
<LI><A NAME="tex2html170"
 HREF="node159.html">cnfCref
-   Create a temporary FORTRAN CHARACTER string and return a pointer to it.
</A>
<LI><A NAME="tex2html171"
 HREF="node160.html">cnfCrefa
-   Create a temporary FORTRAN CHARACTER array and return a pointer to it.
</A>
<LI><A NAME="tex2html172"
 HREF="node161.html">cnfCreib
-   Create a temporary C string and import a FORTRAN string into it
   including trailing blanks
</A>
<LI><A NAME="tex2html173"
 HREF="node162.html">cnfCreim
-   Create a temporary C string and import a FORTRAN string into it
   discarding trailing blanks
</A>
<LI><A NAME="tex2html174"
 HREF="node163.html">cnfCrela
-   Create a temporary FORTRAN LOGICAL array and return a pointer to it.
</A>
<LI><A NAME="tex2html175"
 HREF="node164.html">cnfExpch
-      Export a C array of char to a FORTRAN string.
</A>
<LI><A NAME="tex2html176"
 HREF="node165.html">cnfExpla
-   Export a C int array to a FORTRAN LOGICAL array
</A>
<LI><A NAME="tex2html177"
 HREF="node166.html">cnfExpn
-   Export a C string to a FORTRAN string, copying a given maximum
   number of characters
</A>
<LI><A NAME="tex2html178"
 HREF="node167.html">cnfExprt
-   Export a C string to a FORTRAN string
</A>
<LI><A NAME="tex2html179"
 HREF="node168.html">cnfExprta
-   Export a C string array to a FORTRAN CHARACTER array
</A>
<LI><A NAME="tex2html180"
 HREF="node169.html">cnfExprtap
-   Export a C array of pointers to char, to a FORTRAN CHARACTER array
</A>
<LI><A NAME="tex2html181"
 HREF="node170.html">cnfFptr
-   Convert a C pointer to a FORTRAN pointer
</A>
<LI><A NAME="tex2html182"
 HREF="node171.html">cnfFree
-   Free allocated space
</A>
<LI><A NAME="tex2html183"
 HREF="node172.html">cnfFreef
-   Free a FORTRAN string
</A>
<LI><A NAME="tex2html184"
 HREF="node173.html">cnfImpb
-   Import a FORTRAN string into a C string, retaining trailing blanks
</A>
<LI><A NAME="tex2html185"
 HREF="node174.html">cnfImpbn
-   Import no more than max characters from a FORTRAN string into a C
   string, retaining trailing blanks
</A>
<LI><A NAME="tex2html186"
 HREF="node175.html">cnfImpch
-   Import a FORTRAN string into a C array of char.
</A>
<LI><A NAME="tex2html187"
 HREF="node176.html">cnfImpla
-   Import a FORTRAN LOGICAL array into a C int array
</A>
<LI><A NAME="tex2html188"
 HREF="node177.html">cnfImpn
-   Import no more than max characters from a FORTRAN string into a C
   string
</A>
<LI><A NAME="tex2html189"
 HREF="node178.html">cnfImprt
-   Import a FORTRAN string into a C string
</A>
<LI><A NAME="tex2html190"
 HREF="node179.html">cnfImprta
-   Import a FORTRAN CHARACTER array into a C string array.
</A>
<LI><A NAME="tex2html191"
 HREF="node180.html">cnfImprtap
-   Import a FORTRAN CHARACTER array into a C array of pointers to char.
</A>
<LI><A NAME="tex2html192"
 HREF="node181.html">cnfLenc
-   Find the length of a C string
</A>
<LI><A NAME="tex2html193"
 HREF="node182.html">cnfLenf
-   Find the length of a FORTRAN string
</A>
<LI><A NAME="tex2html194"
 HREF="node183.html">cnfMalloc
-   Allocate space that may be accessed from C and FORTRAN
</A>
<LI><A NAME="tex2html195"
 HREF="node184.html">cnfRegp
-   Register a pointer for use from both C and FORTRAN
</A>
<LI><A NAME="tex2html196"
 HREF="node185.html">cnfUregp
-   Unregister a pointer previously registered using 
  <TT>cnfRegp</TT>
</A>
</UL>
<LI><A NAME="tex2html197"
 HREF="node186.html">CNF FORTRAN Function Description</A>
<UL>
<LI><A NAME="tex2html198"
 HREF="node187.html">CNF_PVAL
-   Expand a FORTRAN pointer to its full value
</A>
</UL>
<LI><A NAME="tex2html199"
 HREF="node188.html">References</A>
<LI><A NAME="tex2html200"
 HREF="node189.html">Bibliography</A>
<LI><A NAME="tex2html201"
 HREF="node190.html">About this document ...</A>
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<ADDRESS>
<I>CNF and F77 Mixed Language Programming -- FORTRAN and C<BR>Starlink User Note 209<BR>P.M. Allan<BR>A.J. Chipperfield<BR>R.F. Warren-Smith<BR>19 January 2000<BR>E-mail:<A HREF="mailto:ussc@star.rl.ac.uk">ussc@star.rl.ac.uk</A></I>
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libcnf-dev 4.0-2 / usr / share / doc / libcnf-dev / html / sun209.html
