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<concept id="GUID-2C1B74C4-C80D-5EF9-B822-2DA2FCF9B006" xml:lang="en"><title>General
Macros</title><shortdesc>Describes macros that can be used in the platform-specific configuration
header and in bootstrap code. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
<section id="GUID-B30AB815-54B8-48BB-9D3C-5607AF7B17C7"><title>INIT_LOGICAL_SYMBOL</title><codeblock id="GUID-CC5AE5B8-282D-59A9-9DD6-2D1D3A44944A" xml:space="preserve">INIT_LOGICAL_SYMBOL SYM, COUNT</codeblock><p>Checks if the symbol <codeph>SYM</codeph> is defined. If so, it sets it to
a value which is logically TRUE and increments symbol <codeph>COUNT</codeph> by
one; <codeph>COUNT</codeph> may be omitted if not required. </p><p>If the
symbol <codeph>SYM</codeph> is not defined, then the macro defines it, and
sets it to a logically <codeph>FALSE</codeph> value. </p> </section>
<section id="GUID-5C119585-EA08-4981-AC57-47D38E3959DD"><title>INIT_NUMERIC_SYMBOL</title><codeblock id="GUID-A3603B75-AD74-5764-B822-8D91D21F5058" xml:space="preserve">INIT_NUMERIC_SYMBOL    SYM, DEFAULT</codeblock><p>Checks if the symbol <codeph>SYM</codeph> is defined. If so, its value
is left unchanged. </p><p>If <codeph>SYM</codeph> is not defined, then the
macro defines it as a numeric variable and sets its value to <codeph>DEFAULT</codeph>. </p> </section>
<section id="GUID-09DF08C5-F1CC-4ADA-89AA-41EA99B0F084"><title>INIT_NUMERIC_CONSTANT</title><codeblock id="GUID-DA525C7F-ABAC-5121-B752-3E5C81BB29B9" xml:space="preserve">INIT_NUMERIC_CONSTANT    SYM, DEFAULT</codeblock><p>Checks if the symbol <codeph>SYM</codeph> is defined. If so, its value
is left unchanged. </p><p>If <codeph>SYM</codeph> is not defined, then the
macro defines it as a numeric constant and sets its value to <codeph>DEFAULT</codeph>. </p> </section>
</conbody></concept>