User`s guide

The Real-Time Workshop User Interface
3-21
- Imported Extern — declares the signal as extern. It must then be declared
from outside the generated code.
- Imported Extern Pointer — declares the signal as an
extern pointer. It
must then be declared from outside the generated code.
These cases are useful if you want to link Real-Time Workshop generated
code to other C code (that is, code that the Real-Time Workshop did not
generate). Note that you are responsible for correctly linking code modules
together.
C API for Signal Monitoring. The Real-Time Workshop provides support for
developing a C API for signal monitoring independent of external mode. See “C
API for Signal Monitoring” on page 5-4 for more information.