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range_ptrinbuf(3)	   Library Functions Manual	     range_ptrinbuf(3)

NAME
       range_ptrinbuf -	range check pointer in buffer

SYNTAX
       #include	<libowfat/rangecheck.h>

       int range_ptrinbuf(const	void* buf,size_t len,const void* ptr);

DESCRIPTION
       range_ptrinbuf checks if	ptr points to buf[0..len-1].

RETURN VALUE
       If  the	buffer	is  implausible	(buf is	NULL or	buf+len	has an integer
       overflow), return 0.

       If ptr points to	one of buf[0], buf[1], ... or buf[len-1], return 1.

       Otherwise, return 0.

SEE ALSO
       rangecheck(3)

							     range_ptrinbuf(3)

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