GETCHAR
Section: POSIX Programmer's Manual (P)
Updated: 2003
NAME
getchar - get a byte from a stdin stream
SYNOPSIS
#include <stdio.h>
int getchar(void);
DESCRIPTION
The getchar() function shall be equivalent to getc(stdin).
RETURN VALUE
Refer to fgetc() .
ERRORS
Refer to fgetc() .
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
If the integer value returned by getchar() is stored into a
variable of type char and then compared against the
integer constant EOF, the comparison may never succeed, because sign-extension
of a variable of type char on widening to
integer is implementation-defined.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
getc() , the Base Definitions volume of IEEE Std 1003.1-2001,
<stdio.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- EXAMPLES
-
- APPLICATION USAGE
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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