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Full Discussion: problem with while loop
Top Forums Programming problem with while loop Post 92430 by mridula on Sunday 11th of December 2005 08:50:46 AM
Old 12-11-2005
problem with while loop
hi all,
i have written the following code:
while(proceed !='Y' && proceed!='N' && proceed!='y' && proceed!='n')
{

printf("\nPress \n\t 'Y' or 'y' to continue \n\t 'N' or 'n' to cancel:");
scanf("%c",&proceed);
}

the output i am gettin is:

Press
'Y' to continue
'N' to cancel
: a
Press
'Y' to continue
'N' to cancel
: (not allowing me to enter the value here and directly printing once more.)
Press
'Y' to continue
'N' to cancel
: b
Press
'Y' to continue
'N' to cancel
:
Press
'Y' to continue
'N' to cancel
:


why is this happening can nyone help me with this??

thanx
 

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LEARN ABOUT OSX

cancel

cancel(1)							    Apple Inc.								 cancel(1)

NAME

       cancel - cancel jobs

SYNOPSIS

       cancel [ -E ] [ -U username ] [ -a ] [ -h hostname[:port] ] [ -u username ] [ -x ] [ id ] [ destination ] [ destination-id ]

DESCRIPTION

       cancel cancels existing print jobs. The -a option will remove all jobs from the specified destination.

OPTIONS

       The following options are recognized by cancel:

       -E
	    Forces encryption when connecting to the server.

       -U username
	    Specifies the username to use when connecting to the server.

       -a
	    Cancel all jobs on the named destination, or all jobs on all destinations if none is provided.

       -h hostname[:port]
	    Chooses an alternate server.

       -u username
	    Cancels jobs owned by username.

       -x
	    Deletes job data files in addition to canceling.

COMPATIBILITY

       Unlike  the  System  V printing system, CUPS allows printer names to contain any printable character except SPACE, TAB, "/", or "#".  Also,
       printer and class names are not case-sensitive.

NOTES

       Administrators wishing to prevent unauthorized cancellation of jobs via the -u option should require authentication for Cancel-Jobs  opera-
       tions in cupsd.conf(5).

SEE ALSO

       lp(1), lpmove(8), lpstat(1),
       http://localhost:631/help

COPYRIGHT

       Copyright 2007-2013 by Apple Inc.

21 January 2013 						       CUPS								 cancel(1)
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