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Guile Reference Manual

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27.10.1.6 Writing to a port.

To write data to a port, calling scm_lfwrite should be sufficient for most purposes. This takes care of the following steps:

  1. End input on the port, if rw_active is SCM_PORT_READ.

  2. Pass the data to the ptob implementation using the write ptob procedure. The advantage of using the ptob write instead of manipulating the write buffer directly is that it allows the data to be written in one operation even if the port is using the single-byte shortbuf.

  3. Set rw_active to SCM_PORT_WRITE if rw_random is set.


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