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#!F-adobe-helvetica-medium-r-normal--18*
#!N
#!CNavyBlue #!N
#!Rall989 Getting Started Writing a Module #!N #!EC #!N #!N To
build a module, you must: #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18* #!N #!N
#!I30 #!N 1. Define the module's function and its interface (i.e.,
its inputs and outputs). #!N #!I30 #!N 2. Create a #!F-adobe-times-medium-i-normal--18*
module description file #!EF containing this information. #!N #!I30 #!N 3.
Write the module. #!N #!I30 #!N 4. Compile and link the
module. #!N #!I0 #!N #!EF #!N #!N #!N Once you have
completed these four steps, you can run a version of Data
Explorer that incorporates the module. #!N #!N The Module Builder is
a point-and-click interface that facilitates much of this work by creating
the files necessary for a module: #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18* #!N
#!N #!I30 #!N o a module description file #!N #!I30 #!N
o a C-code framework (or template) file #!N #!I30 #!N o
a makefile. #!N #!I0 #!N #!EF #!N All you need do
is add your own application code to the framework file. (See
#!Lmblder,dxall1003 h Module Builder #!EL .) #!N #!N A module can be added to Data
Explorer in one of three forms: #!F-adobe-times-medium-i-normal--18* inboard #!EF , #!F-adobe-times-medium-i-normal--18*
outboard #!EF , or #!F-adobe-times-medium-i-normal--18* runtime-loadable #!EF . An inboard module
is linked directly into a new Data Explorer executive. An outboard
module is a separate executable linked to the Data Explorer routine
library and controlled by the executive. It can later be compiled
and linked as an inboard module for greater efficiency. A runtime-loadable
module can be loaded when Data Explorer is started or while
it is running. It is more portable than the inboard module
version of the same function and more efficient than the outboard
version. See #!Lmodsior,dxall1049 h Inboard, Outboard, and Runtime-loadable Modules #!EL . #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF
#!N #!N #!Lhmod,dxall991 h Adding the Hello Module #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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