Fsizeof(), Fsizeof32() - return size of fielded buffer
Fsizeof() returns the size of a fielded buffer in bytes. fbfr is a pointer to a fielded buffer.
Fsizeof32() is used with 32-bit FML.
A thread in a multithreaded application may issue a call to Fsizeof() or Fsizeof32() while running in any context state, including TPINVALIDCONTEXT.
This function returns -1 on error and sets Ferror to indicate the error condition.
Under the following conditions, Fsizeof() fails and sets Ferror to:
The buffer does not begin on the proper boundary.
The buffer is not a fielded buffer or has not been initialized by Finit().
Introduction to FML Functions, Fidxused, Fidxused32(3fml), Fused, Fused32(3fml), Funused, Funused32(3fml)
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