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GETCHAR(3P)                POSIX Programmer's Manual               GETCHAR(3P)



PROLOG
       This manual page is part of the POSIX Programmer's Manual.  The Linux implementation of this interface may dif-
       fer (consult the corresponding Linux manual page for details of Linux behavior), or the interface  may  not  be
       implemented on Linux.

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, Stan-
       dard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base  Specifica-
       tions  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 Stan-
       dard,  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 .



IEEE/The Open Group                  2003                          GETCHAR(3P)