RANGE_PTRINBUF - reference manual online

Range check pointer in buffer.

range_ptrinbuf(3)                    Library Functions Manual                   range_ptrinbuf(3)

NAME range_ptrinbuf - range check pointer in buffer
SYNTAX #include <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)
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range_ptrinbuf(3) referred by rangecheck(3)
refer to rangecheck(3)