memoverlap man page on DragonFly

memoverlap man page on DragonFly

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MEMOVERLAP(3)		     C Programmer's Manual		 MEMOVERLAP(3)

NAME
       memoverlap - check whether two memory blocks overlap

SYNOPSIS
       #include <publib.h>
       int memoverlap(const void *t, size_t ts, const void *s, size_t ss);

DESCRIPTION
       memoverlap checks whether the memory blocks t--(t+ts-1) and s--(s+ss-1)
       overlap.	 Neither pointer argument may be NULL, but the sizes may be 0.
       The  memory blocks can be arbitrary, they do not have to be part of the
       same array.  Therefore, this function hides the unportable pointer com‐
       parison that one would otherwise rely on.

RETURN VALUE
       memoverlap  returns 0 if the blocks do not overlap, and nonzero if they
       do.

SEE ALSO
       publib(3)

AUTHOR
       Lars Wirzenius (lars.wirzenius@helsinki.fi)

Publib			     C Programmer's Manual		 MEMOVERLAP(3)

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