Guardian Native C Library Calls Reference Manual (G06.29+, H06.08+, J06.03+)

Guardian Native C Library Calls (f) fputwc(3)
RETURN VALUES
Upon successful completion, this function returns the value written. If this function fails, it
returns the constant WEOF.
ERRORS
If any of the following conditions occur, the putwc(), fputwc(), and putwchar() function sets
errno to the corresponding value.
[EAGAIN] The O_NONBLOCK flag is set for the file descriptor underlying stream and the
process would be delayed in the write operation.
[EBADF] The file descriptor underlying stream is not a valid file descriptor open for writ-
ing.
[EFBIG] An attempt was made to write at or beyond the file offset maximum.
[EINTR] The read operation was interrupted by a signal that was caught, and no data was
transferred.
[EIO] The implementation supports job control; the process is a member of a back-
ground process group attempting to write to its controlling terminal; TOSTOP is
set; the process is neither ignoring nor blocking SIGTTOU; and the process
group of the process is orphaned.
[ENOMEM] Insufficient storage space is available.
[ENOSPC] There was no free space remaining on the device containing the file.
[ENXIO] A request was made of a non-existent device, or the request was outside the
capabilities of the device.
[EPIPE] An attempt was made to write to a pipe or FIFO that is not open for reading by
any process. A SIGPIPE signal will also be sent to the process.
[EILSEQ] The wide character code specified by the c parameter does not correspond to a
valid character.
RELATED INFORMATION
Functions: fputc(3), getc(3), getwc(3), printf(3), putc(3), puts(3), putwc(3), putwchar(3),
wctomb(3).
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