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.TH range_validbuf 3
.SH NAME
range_validbuf \- range check buffer
.SH SYNTAX
.B #include <rangecheck.h>
int \fBrange_validbuf\fR(const void* buf,size_t len);
.SH DESCRIPTION
range_validbuf does some basic plausibility checks on the buffer
\fIbuf\fR[0..\fIlen\fR-1].
.SH "RETURN VALUE"
If the buffer is implausible (buf is NULL or buf+len has an integer
overflow), return 0.
Otherwise, return 1.
.SH "SEE ALSO"
rangecheck(3)