termkey_push_bytes man page on DragonFly

termkey_push_bytes man page on DragonFly

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TERMKEY_PUSH_BYTES(3)					 TERMKEY_PUSH_BYTES(3)

NAME
       termkey_push_bytes - supply more bytes to the input buffer

SYNOPSIS
       #include <termkey.h>

       size_t termkey_push_bytes(TermKey *tk, const char *bytes, size_t len);

       Link with -ltermkey.

DESCRIPTION
       termkey_push_bytes() allows more bytes of input to be supplied directly
       into the input buffer of the termkey(7) instance. If there was no  buf‐
       fer space remaining then -1 is returned with errno set to ENOMEM.

       This  function,	along with termkey_getkey(3), makes it possible to use
       the termkey instance with a source of bytes other than from  reading  a
       filehandle.

       For  synchronous	 usage, termkey_waitkey(3) performs the input blocking
       task. For  use  against	a  regular  stream  filehandle	that  supports
       read(2), see termkey_advisereadable(3).

RETURN VALUE
       termkey_push_bytes() the number of bytes consumed from the input (which
       may be smaller than the length provided, if  the	 buffer	 runs  out  of
       space)  or -1 cast to size_t if an error occurs, in which case errno is
       set accordingly.

SEE ALSO
       termkey_getkey(3), termkey_advisereadable(3), termkey(7)

							 TERMKEY_PUSH_BYTES(3)

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