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From：linux 0.11 kernel source code, with English Notes, so that learning good things...

Description：linux 0.11 kernel source code, with English Notes, so that learning good things linux kernel...

By 2010-08-31
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			/*
* linux/lib/ctype.c
*
479
* (C) 1991 Linus Torvalds
*/

#include <ctype.h>		// 字符类型头文件。定义了一些有关字符类型判断和转换的宏。

char _ctmp;			// 一个临时字符变量，供ctype.h 文件中转换字符宏函数使用。
// 字符特性数组(表)，定义了各个字符对应的属性，这些属性类型(如_C 等)在ctype.h 中定义。
// 用于判断字符是控制字符(_C)、大写字符(_U)、小写字符(_L)等所属类型。
unsigned char _ctype[] = {
 0x00,	/* EOF */
  _C, _C, _C, _C, _C, _C, _C, _C,	/* 0-7 */
  _C, _C | _S, _C | _S, _C | _S, _C | _S, _C | _S, _C, _C,	/* 8-15 */
  _C, _C, _C, _C, _C, _C, _C, _C,	/* 16-23 */
  _C, _C, _C, _C, _C, _C, _C, _C,	/* 24-31 */
  _S | _SP, _P, _P, _P, _P, _P, _P, _P,	/* 32-39 */
  _P, _P, _P, _P, _P, _P, _P, _P,	/* 40-47 */
  _D, _D, _D, _D, _D, _D, _D, _D,	/* 48-55 */
  _D, _D, _P, _P, _P, _P, _P, _P,	/* 56-63 */
  _P, _U | _X, _U | _X, _U | _X, _U | _X, _U | _X, _U | _X, _U,	/* 64-71 */
  _U, _U, _U, _U, _U, _U, _U, _U,	/* 72-79 */
  _U, _U, _U, _U, _U, _U, _U, _U,	/* 80-87 */
  _U, _U, _U, _P, _P, _P, _P, _P,	/* 88-95 */
  _P, _L | _X, _L | _X, _L | _X, _L | _X, _L | _X, _L | _X, _L,	/* 96-103 */
  _L, _L, _L, _L, _L, _L, _L, _L,	/* 104-111 */
  _L, _L, _L, _L, _L, _L, _L, _L,	/* 112-119 */
  _L, _L, _L, _P, _P, _P, _P, _C,	/* 120-127 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 128-143 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 144-159 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 160-175 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 176-191 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 192-207 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 208-223 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 224-239 */
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

};				/* 240-255 */

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Name	Size	Date
linux	0.00 B	0% 04-10-07
<boot>	0.00 B	04-10-07 15:01
bootsect.s	12.49 kB	08-01-04 21:38
head.s	13.22 kB	08-01-04 21:38
setup.s	12.42 kB	08-01-04 21:38
<fs>	0.00 B	04-10-07 15:01
bitmap.c	8.46 kB	02-09-04 13:12
block_dev.c	3.95 kB	02-09-04 13:12
buffer.c	17.71 kB	02-09-04 13:12
char_dev.c	4.09 kB	02-09-04 13:12
exec.c	18.90 kB	02-09-04 13:12
fcntl.c	3.33 kB	02-09-04 13:12
file_dev.c	4.82 kB	02-09-04 13:12
file_table.c	209.00 B	02-09-04 13:12
inode.c	14.92 kB	02-09-04 13:12
ioctl.c	1.94 kB	02-09-04 13:12
Makefile	6.80 kB	08-01-04 21:45
namei.c	37.20 kB	02-09-04 13:12
open.c	10.00 kB	02-09-04 13:12
pipe.c	5.42 kB	02-09-04 13:12
read_write.c	5.86 kB	02-09-04 13:12
stat.c	2.69 kB	02-09-04 13:12
super.c	13.57 kB	02-09-04 13:12
truncate.c	2.46 kB	02-09-04 13:12
<include>	0.00 B	04-10-07 15:01
a.out.h	8.22 kB	02-09-04 13:14
<asm>	0.00 B	04-10-07 15:01
io.h	772.00 B	02-09-04 13:14
memory.h	1.03 kB	08-01-04 22:13
segment.h	2.50 kB	02-09-04 13:14
system.h	4.08 kB	02-09-04 13:14
const.h	589.00 B	02-09-04 13:14
ctype.h	1.68 kB	02-09-04 13:14
errno.h	2.30 kB	02-09-04 13:14
fcntl.h	3.30 kB	02-09-04 13:14
<linux>	0.00 B	04-10-07 15:01
config.h	2.16 kB	02-09-04 13:14
fs.h	9.72 kB	02-09-04 13:14
hdreg.h	2.94 kB	02-09-04 13:14
head.h	760.00 B	02-09-04 13:14
kernel.h	1.44 kB	02-09-04 13:14
mm.h	473.00 B	02-09-04 13:14
sched.h	13.25 kB	02-09-04 13:14
sys.h	5.41 kB	02-09-04 13:14
tty.h	3.93 kB	02-09-04 13:14
signal.h	4.01 kB	02-09-04 13:14
stdarg.h	1.77 kB	02-09-04 13:14
stddef.h	378.00 B	02-09-04 13:14
string.h	21.75 kB	02-09-04 13:14
<sys>	0.00 B	04-10-07 15:01
stat.h	2.37 kB	02-09-04 13:14
times.h	377.00 B	02-09-04 13:14
types.h	1.10 kB	02-09-04 13:14
utsname.h	423.00 B	02-09-04 13:14
wait.h	1.48 kB	02-09-04 13:14
termios.h	13.58 kB	02-09-04 13:14
time.h	1.81 kB	02-09-04 13:14
unistd.h	9.21 kB	02-09-04 13:14
utime.h	392.00 B	02-09-04 13:14
<init>	0.00 B	04-10-07 15:01
main.c	12.52 kB	02-09-04 13:12
<kernel>	0.00 B	04-10-07 15:01
asm.s	5.10 kB	08-01-04 22:48
<blk_drv>	0.00 B	04-10-07 15:01
blk.h	5.69 kB	02-09-04 13:14
floppy.c	23.49 kB	02-09-04 13:12
hd.c	17.14 kB	02-09-04 13:12
ll_rw_blk.c	7.59 kB	02-09-04 13:12
Makefile	4.25 kB	08-01-04 22:53
ramdisk.c	6.13 kB	02-09-04 13:12
<chr_drv>	0.00 B	04-10-07 15:01
console.c	30.91 kB	02-09-04 13:12
keyboard.S	21.04 kB	08-01-04 22:59
Makefile	4.81 kB	08-01-04 22:59
rs_io.s	5.75 kB	08-01-04 22:59
serial.c	2.91 kB	02-09-04 13:12
tty_io.c	18.40 kB	02-09-04 13:12
tty_ioctl.c	10.70 kB	02-09-04 13:12
exit.c	8.08 kB	02-09-04 13:12
fork.c	6.78 kB	15-07-07 22:10
<math>	0.00 B	04-10-07 15:01
Makefile	3.21 kB	08-01-04 23:01
math_emulate.c	2.08 kB	02-09-04 13:12
mktime.c	2.72 kB	02-09-04 13:12
panic.c	952.00 B	02-09-04 13:12
printk.c	1.75 kB	02-09-04 13:12
sched.c	18.57 kB	16-07-07 21:23
signal.c	5.61 kB	02-09-04 13:12
sys.c	7.62 kB	02-09-04 13:12
system_call.s	12.53 kB	08-01-04 22:48
traps.c	8.29 kB	04-10-07 14:57
vsprintf.c	9.96 kB	02-09-04 13:12
<lib>	0.00 B	04-10-07 15:01
close.c	397.00 B	02-09-04 13:12
ctype.c	1.72 kB	02-09-04 13:12
dup.c	401.00 B	02-09-04 13:12
errno.c	66.00 B	02-09-04 13:12
execve.c	607.00 B	02-09-04 13:12
Makefile	4.83 kB	08-01-04 22:30
malloc.c	13.50 kB	02-09-04 13:12
open.c	1.22 kB	02-09-04 13:12
setsid.c	382.00 B	02-09-04 13:12
string.c	199.00 B	02-09-04 13:12
wait.c	774.00 B	02-09-04 13:12
write.c	545.00 B	02-09-04 13:12
_exit.c	616.00 B	02-09-04 13:12
Makefile	8.58 kB	08-01-04 22:21
<mm>	0.00 B	04-10-07 15:01
Makefile	2.91 kB	08-01-04 22:34
memory.c	25.10 kB	02-09-04 13:12
page.s	842.00 B	08-01-04 22:34
<tools>	0.00 B	04-10-07 15:01
build.c	8.12 kB	02-09-04 13:12