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  1. .TH fmt_fill 3
  2. .SH NAME
  3. fmt_fill \- append spaces to a string
  4. .SH SYNTAX
  5. .B #include <libowfat/fmt.h>
  6. size_t \fBfmt_fill\fP(char *\fIdest\fR,
  7. size_t \fIsrclen\fR, size_t \fIpadlen\fR,
  8. size_t \fImaxlen\fR);
  9. .SH DESCRIPTION
  10. fmt_fill appends \fIpadlen\fR-\fIsrclen\fR spaces (if that number is
  11. positive) to \fIdest\fR (which holds \fIsrclen\fR bytes). It truncates
  12. the output only if the length would exceed \fImaxlen\fR.
  13. It returns the number of bytes it wrote.
  14. fmt_fill does not append \\0.
  15. If \fIdest\fR equals FMT_LEN (i.e. is zero), fmt_fill returns the number
  16. of bytes it would have written.
  17. .SH "SEE ALSO"
  18. fmt_strn(3), fmt_pad(3)