mdw@git.distorted.org.uk Git - ezmlm/blob - substdio_copy.3

   1 .TH substdio_copy 3
   2 .SH NAME
   3 substdio_copy \- copy an entire input to an output
   4 .SH SYNTAX
   5 .B #include <substdio.h>
   6
   7 int \fBsubstdio_copy\fP(&\fIsout\fR,&\fIsin\fR);
   8
   9 substdio \fIsout\fR;
  10 .br
  11 substdio \fIsin\fR;
  12 .SH DESCRIPTION
  13 .B substdio_copy
  14 reads characters from
  15 .I sin
  16 until end of file,
  17 writing each character to
  18 .IR sout .
  19 It then returns 0.
  20 It does not flush
  21 .IR sout .
  22
  23 Upon a
  24 .I sin
  25 error,
  26 .B substdio_copy
  27 returns -2,
  28 leaving
  29 .B errno
  30 set appropriately.
  31
  32 Upon a
  33 .I sout
  34 error,
  35 .B substdio_copy
  36 returns -3,
  37 leaving
  38 .B errno
  39 set appropriately.
  40 .SH "SEE ALSO"
  41 substdio(3)