tcdrain(3)                          CLIX                          tcdrain(3)



  NAME

    tcdrain - Waits for output to complete

  LIBRARY

    Standard C Library (libc.a)

  SYNOPSIS

    #include <termios.h>

    int tcdrain(
      int filedescriptor );

  PARAMETERS

    filedescriptor   Specifies an open file descriptor.

  DESCRIPTION

    The tcdrain() function waits until all output written to the object
    referred to by the filedescriptor parameter has been transmitted.

  RETURN VALUES

    Upon successful completion, a value of 0 is returned.  Otherwise, a value
    of -1 is returned and the global variable errno is set to indicate the
    error.

  ERRORS

    The tcdrain() function fails if one or more of the following are true:

    [EBADF]    The filedescriptor parameter does not specify a valid file
               descriptor.

    [EINTR]    A signal interrupted the tcdrain() function.

    [ENOTTY]   The file associated with the filedescriptor parameter is not a
               terminal.

  EXAMPLES

    To wait until all output has been transmitted, enter the following:

    rc = tcdrain(stdout);


  RELATED INFORMATION




  2/94 - Intergraph Corporation                                              1

  tcdrain(3)                          CLIX                          tcdrain(3)



    Functions: tcflow(3), tcflush(3), tcsendbreak(3)

    Files: termios(7)



















































  2                                              Intergraph Corporation - 2/94