summary
1-kernel documentation .txt file if not available in path usr/src/kernel/kernel version/documentation
then search online http:kernel.org/doc
2-prototype of unlocked ioctl is in fs.h file
3-_IO _IOR etc is available in path
usr/src/kernel/kernel version/include/uapi/asm-generic -ioctl.h
4.in user space second arrgument of ioctl should be macro of _IO _IOR etc

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RCS file: ioctloperation.c,v
Working file: ioctloperation.c
head: 1.6
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total revisions: 6; selected revisions: 6
description:
choce the fuction by switch statement
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revision 1.6 locked by: root;
date: 2016/03/31 19:11:28; author: root; state: Exp; lines: +1 -2
chang argumment back int to long int
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revision 1.1
date: 2016/03/31 18:03:35; author: root; state: Exp;
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RCS file: ioctldev.c,v
Working file: ioctldev.c
head: 1.2
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description:
make function ioctl print its parameters
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revision 1.1
date: 2016/03/31 18:51:37; author: root; state: Exp;
Initial revision
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RCS file: app.c,v
Working file: app.c
head: 1.63
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revision 1.63 locked by: root;
date: 2016/03/31 18:02:57; author: root; state: Exp; lines: +7 -8
add iocltl option
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revision 1.62
date: 2016/03/28 09:10:58; author: root; state: Exp; lines: +0 -1
remove write
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