Library /sys$common/syshlp/helplib.hlb  —  CRTL  cfree  Description
    The contents of the deallocated area are unchanged.

    In Compaq C for OpenVMS Systems, the free and cfree functions
    are equivalent. Some other C implementations use free with malloc
    or realloc, and cfree with calloc. However, since the ANSI C
    standard does not include cfree, using free may be preferable.

    See also free.
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