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range_validbuf(3)     DragonFly Library Functions Manual     range_validbuf(3)

NAME
       range_validbuf - range check buffer

SYNTAX
       #include <rangecheck.h>

       int range_validbuf(const void* buf,size_t len);

DESCRIPTION
       range_validbuf does some basic plausibility checks on the buffer
       buf[0..len-1].

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

       Otherwise, return 1.

SEE ALSO
       rangecheck(3)

                                                             range_validbuf(3)