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astSizeOf - Determine the size of a dynamically allocated region of memory

Description:
This function returns the size of a region of dynamically allocated memory.
Synopsis:
size_t astSizeOf( const void $*$ptr )
Parameters:
ptr
Pointer to dynamically allocated memory (or NULL if the size of the allocated memory was zero).
Returned Value:
astSizeOf()
The allocated size. This will be zero if a NULL pointer was supplied (no error will result).
Notes:
  • A value of zero is returned if this function is invoked with the global error status set, or if it fails for any reason.


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Up: AST Memory Management and Utility Functions
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AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 211
R.F. Warren-Smith & D.S. Berry
24th May 2011
E-mail:ussc@star.rl.ac.uk

Copyright (C) 2009 Science \& Technology Facilities Council