The #pragma prereq
statement ensures that the correct
mailfromd
version is used to compile the source file it
appears in. It takes version number as its arguments and produces
a compilation error if the actual mailfromd
version number
is earlier than that. For example, the following statement:
#pragma prereq 7.0.94
results in error if compiled with mailfromd
version 7.0.93
or prior.
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