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| buffer(3) | FreeBSD Library Functions Manual | buffer(3) |
NAME
buffer.h - generic read/write bufferingSYNTAX
#include <libowfat/buffer.h>buffer* buffer_0; /* like stdio's stdin */ buffer* buffer_1; /* like stdio's stdout */ buffer* buffer_2; /* like stdio's stderr */
DESCRIPTION
buffer.h provides a generic buffer interface that can be used for read and write buffering. Buffers must be initialized with buffer_init.A buffer can only be used for reading or writing at the same time, not both.
Unlike stdio, these write buffers are not flushed automatically at program termination; you must manually call buffer_flush, buffer_putsflush, buffer_putflush or buffer_putnlflush.
EXAMPLE
See buffer_init(3) for example read buffer code. Here is typical code for printing an error message on stderr:#include <libowfat/buffer.h>
buffer_puts(buffer_2,"error: got only "); buffer_putulong(buffer_2,got); buffer_puts(buffer_2," bytes, but expected at least "); buffer_putulong(buffer_2,expected); buffer_putsflush(buffer_2," bytes!");
SEE ALSO
buffer_init(3), buffer_put(3), buffer_get(3), buffer_flush(3)
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