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.TH range_ptrinbuf 3
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.SH NAME
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range_ptrinbuf \- range check pointer in buffer
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.SH SYNTAX
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.B #include <libowfat/rangecheck.h>
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int \fBrange_ptrinbuf\fR(const void* buf,size_t len,const void* ptr);
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.SH DESCRIPTION
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range_ptrinbuf checks if \fIptr\fR points to \fIbuf\fR[0..\fIlen\fR-1].
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.SH "RETURN VALUE"
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If the buffer is implausible (buf is NULL or buf+len has an integer
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overflow), return 0.
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If \fIptr\fR points to one of \fIbuf\fR[0], \fIbuf\fR[1], ... or
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\fIbuf\fR[\fIlen\fR-1], return 1.
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Otherwise, return 0.
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.SH "SEE ALSO"
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rangecheck(3)
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