.TH buffer_feed 3
.SH NAME
buffer_feed \- low-level component of buffer_get
.SH SYNTAX
.B #include <libowfat/buffer.h>

int \fBbuffer_feed\fP(buffer* \fIb\fR);
.SH DESCRIPTION
If the string is nonempty, buffer_feed returns the length of the string.
If the string is empty, buffer_feed uses the read operation to feed data
into the string; it then returns the new length of the string, or 0 for
end of input, or -1 for error.
.SH "SEE ALSO"
buffer_init(3), buffer_get(3), buffer_peek(3), buffer_feed(3), buffer(3)