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 .