Get the size of a block's floating-point work vector
int_T ssGetNumRWork(SimStruct *S)
SSimStruct representing an S-Function block.
An int_T value indicating the size of the RWork vector.
Use this macro in any routine except mdlInitializeSizes to
obtain the size of the floating-point (real_T) work vector used
by the block represented by S.
C, C++
See the S-function sfunmem.c used in sfcndemo_sfunmem.