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>parport_find_device</SPAN
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><H2
>Name</H2
>parport_find_device -- find a specific device
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>Synopsis</H2
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><CODE
><CODE
CLASS="FUNCDEF"
>int <TT
CLASS="FUNCTION"
>parport_find_device </TT
></CODE
>(const char * <TT
CLASS="PARAMETER"
><I
>mfg</I
></TT
>, const char * <TT
CLASS="PARAMETER"
><I
>mdl</I
></TT
>, int <TT
CLASS="PARAMETER"
><I
>from</I
></TT
>);</CODE
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>Arguments</H2
><P
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><DL
><DT
><TT
CLASS="PARAMETER"
><I
>mfg</I
></TT
></DT
><DD
><P
> required manufacturer string
</P
></DD
><DT
><TT
CLASS="PARAMETER"
><I
>mdl</I
></TT
></DT
><DD
><P
> required model string
</P
></DD
><DT
><TT
CLASS="PARAMETER"
><I
>from</I
></TT
></DT
><DD
><P
> previous device number found in search, or <TT
CLASS="CONSTANT"
>NULL</TT
> for
new search
</P
></DD
></DL
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><A
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></A
><H2
>Description</H2
><P
> This walks through the list of parallel port devices looking
for a device whose 'MFG' string matches <TT
CLASS="PARAMETER"
><I
>mfg</I
></TT
> and whose 'MDL'
string matches <TT
CLASS="PARAMETER"
><I
>mdl</I
></TT
> in their IEEE 1284 Device ID.
</P
><P
> When a device is found matching those requirements, its device
number is returned; if there is no matching device, a negative
value is returned.
</P
><P
> A new search it initiated by passing <TT
CLASS="CONSTANT"
>NULL</TT
> as the <TT
CLASS="PARAMETER"
><I
>from</I
></TT
>
argument. If <TT
CLASS="PARAMETER"
><I
>from</I
></TT
> is not <TT
CLASS="CONSTANT"
>NULL</TT
>, the search continues from
that device.
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