'\" te
.\" Copyright (c) 2008, Sun Microsystems, Inc.  All Rights Reserved.
.TH di_path_prop_lookup_bytes 3DEVINFO "15 May 2008" "SunOS 5.11" "Device Information Library Functions"
.SH NAME
di_path_prop_lookup_bytes, di_path_prop_lookup_int64s, di_path_prop_lookup_ints, di_path_prop_lookup_strings \- search for a path property
.SH SYNOPSIS
.LP
.nf
\fBcc\fR [ \fIflag\fR... ] \fIfile\fR... \fB-ldevinfo\fR [ \fIlibrary\fR... ]
#include <libdevinfo.h>

\fBint\fR \fBdi_path_prop_lookup_bytes\fR(\fBdi_path_t\fR \fIpath\fR,
     \fBconst char *\fR\fIprop_name\fR);
.fi

.LP
.nf
\fBint\fR \fBdi_path_prop_lookup_int64s\fR(\fBdi_path_t\fR \fIpath\fR,
     \fBconst char *\fR\fIprop_name\fR);
.fi

.LP
.nf
\fBint\fR \fBdi_path_prop_lookup_ints\fR(\fBdi_path_t\fR \fIpath\fR,
     \fBconst char *\fR\fIprop_name\fR, \fBchar **\fR\fIprop_data\fR);
.fi

.LP
.nf
\fBint\fR \fBdi_path_prop_lookup_strings\fR(\fBdi_path_t\fR \fIpath\fR,
     \fBconst char *\fR\fIprop_name\fR, \fBchar **\fR\fIprop_data\fR);
.fi

.SH PARAMETERS
.sp
.ne 2
.mk
.na
\fB\fIpath\fR\fR
.ad
.RS 13n
.rt  
The handle to a path node in a \fBdi_init\fR(3DEVINFO).
.RE

.sp
.ne 2
.mk
.na
\fB\fIprop_name\fR\fR
.ad
.RS 13n
.rt  
The name of property for which to search.
.RE

.sp
.ne 2
.mk
.na
\fB\fIprop_data\fR\fR
.ad
.RS 13n
.rt  
For \fBdi_path_prop_lookup_bytes()\fR, the address to a pointer to an array of unsigned characters containing the property data.
.sp
For \fBdi_path_prop_lookup_int64()\fR, the address to a pointer to an array of 64-bit integers containing the property data.
.sp
For \fBdi_path_prop_lookup_ints()\fR, the address to a pointer to an array of integers containing the property data.
.sp
For \fBdi_path_prop_lookup_strings()\fR, the address to a pointer to a buffer containing a concatenation of null-terminated strings containing the property data.  
.RE

.SH DESCRIPTION
.sp
.LP
These functions return the value of a known property name and type.
.sp
.LP
All memory allocated by these functions is managed by the library and must not be freed by the caller.
.SH RETURN VALUES
.sp
.LP
If the property is found, the number of entries in \fIprop_data\fR is returned. Otherwise, -1 is returned and \fBerrno\fR is set to indicate the error.
.SH ERRORS
.sp
.LP
These functions will fail if:
.sp
.ne 2
.mk
.na
\fB\fBEINVAL\fR\fR
.ad
.RS 11n
.rt  
One of the arguments is invalid.
.RE

.sp
.ne 2
.mk
.na
\fB\fBENOTSUP\fR\fR
.ad
.RS 11n
.rt  
The snapshot contains no property information.
.RE

.sp
.ne 2
.mk
.na
\fB\fBENXIO\fR\fR
.ad
.RS 11n
.rt  
The path property does not exist.
.RE

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5)  for descriptions of the following attributes:
.sp

.sp
.TS
tab() box;
cw(2.75i) |cw(2.75i) 
lw(2.75i) |lw(2.75i) 
.
ATTRIBUTE TYPEATTRIBUTE VALUE
_
Interface StabilityCommitted
_
MT-LevelSafe
.TE

.SH SEE ALSO
.sp
.LP
\fBdi_init\fR(3DEVINFO), \fBlibdevinfo\fR(3LIB), \fBattributes\fR(5)
.sp
.LP
\fIWriting Device Drivers for Oracle Solaris 11.2\fR