AT&T UNIX™PC Unix System V Users Manual - tenox

PASTE ( 3T ) ( AT&T UNIX PC only ) PASTE ( 3T )
SEE ALSO
else
{
chr = Enter;
if (pb_check (paste_file ))
{
chr = message (MT_QUIT, "wp.hlp", "Paste",
"Paste buffer contains an entry - \ do you
wish to overwrite?");
}
if (chr == Enter)
{
... I* Paste file is empty, or is OK to *I
... /* overwrite, write the paste file using *I
... /* fwrite, fprintf, etc.
}
fclose (paste_file );
}
To implement the paste operation:
paste_file = pb_open ();
if (paste_file == NULL)
message (MT_ERROR, "wp.hlp", "Paste",
"Unable to open or create paste buffer file");
else
{
if (pb_check (paste_file ))
{
/* Paste file exists and is non empty, *I
I* Read the paste file using fread, *I
/* fscanf, etc.
}
else
message (MT_ERROR, "wp.hlp", "Paste",
"Paste buffer is empty");
pb_empty (paste_file );
}
adf(4), message(3T), tam(3T).
DIAGNOSTICS
Pb_open returns a NULL pointer on failure. Pb_gets returns a
NULL pointer at end of file. Pb_puts returns EOF on failure.
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