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><A
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>Rendering of messages</A
></H1
><DIV
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><H2
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><A
NAME="MAILIMF-FIELDS-WRITE"
>Header fields</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include <libetpan/libetpan.h>
int mailimf_fields_write(FILE * f, int * col,
struct mailimf_fields * fields);
int mailimf_envelope_fields_write(FILE * f, int * col,
struct mailimf_fields * fields);
int mailimf_field_write(FILE * f, int * col,
struct mailimf_field * field);
</PRE
><P
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><UL
><LI
><P
> <B
CLASS="COMMAND"
>col</B
> current column is given for wrapping
purpose in <B
CLASS="COMMAND"
>(* col)</B
>,
the resulting columns will be returned..
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>f</B
> is the file descriptor. It can be
stdout for example.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>fields</B
> is the header fields
(see <A
HREF="x425.htm#MAILIMF-FIELDS"
>the Section called <I
>mailimf_fields - list of header fields</I
></A
>).
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>field</B
> is a field
(see <A
HREF="x425.htm#MAILIMF-FIELD"
>the Section called <I
>mailimf_field - header field</I
></A
>).
</P
></LI
></UL
><P
> <B
CLASS="COMMAND"
>mailimf_fields_write</B
> outputs the set of
header fields.
</P
><P
> <B
CLASS="COMMAND"
>mailimf_envelope_fields_write</B
> outputs the
set of header fields except the optional fields.
</P
><P
> <B
CLASS="COMMAND"
>mailimf_field_write</B
> outputs a header.
</P
><DIV
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><A
NAME="AEN1583"
></A
><P
><B
>Example 3-46. rendering of fields</B
></P
><PRE
CLASS="PROGRAMLISTING"
>int main(int argc, char ** argv)
{
struct mailimf_fields * fields;
int col;
/* look at the example in mailimf_fields to see how to
build a mailimf_fields */
fields = build_imf_fields();
col = 0;
mailimf_fields_write(stdout, &col, fields);
mailimf_fields_free(fields);
}
int main(int argc, char ** argv)
{
struct mailimf_fields * fields;
int col;
/* look at the example in mailimf_fields to see how to
build a mailimf_fields */
fields = build_imf_fields();
col = 0;
mailimf_envelope_fields_write(stdout, &col, fields);
mailimf_fields_free(fields);
}
int main(int argc, char ** argv)
{
struct mailimf_field * field;
int col;
field = mailimf_field_new_custom(strdup("X-Mailer"), strdup("my mailer"));
col = 0;
mailimf_field_write(stdout, &col, field);
mailimf_field_free(field);
}
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