SYNOPSIS
#include <stdio.h>
#include <wchar.h>
wint_t getwchar(void);
DESCRIPTION
The
If stdin has a file position indicator,
The function
PARAMETERS
None.
RETURN VALUES
The
On failure, errno is set to one of the following values:
- EACCES
-
Another process has the file locked.
- EBADF
-
Standard input stream stdin is not a valid stream opened for reading.
- EILSEQ
-
The input is not a valid character code.
- EINTR
-
A signal interrupted the call.
- EIO
-
An input error occurred.
- EISDIR
-
The open object is a directory, not a file.
- ENOMEM
-
Memory could not be allocated for internal buffers.
- ENXIO
-
A device error occurred.
- EOVERFLOW
-
The file is a regular file and an attempt was made to read at or beyond the offset maximum associated with the corresponding stream.
- EWOULDBLOCK
-
The underlying file descriptor is a non-blocking socket and no data is ready to be read.
CONFORMANCE
ANSI/ISO 9899-1990/AM 1-1995.
MULTITHREAD SAFETY LEVEL
MT-Safe.
PORTING ISSUES
If the standard input stream is from a file open in text mode, the line-terminating character sequence of carriage return plus linefeed is translated to linefeed on input. No such translation occurs for files open in binary mode.
AVAILABILITY
PTC MKS Toolkit for Professional Developers
PTC MKS Toolkit for Professional Developers 64-Bit Edition
PTC MKS Toolkit for Enterprise Developers
PTC MKS Toolkit for Enterprise Developers 64-Bit Edition
SEE ALSO
PTC MKS Toolkit 10.4 Documentation Build 39.