Script started on Wed Nov 11 19:04:15 2015
$ pwd
/usr/home/ckurs
$ ls
2015-11-11.txt	bin		notes		src		transcripts
$ cd    ls src
a.out		convert		convert.c	hello		hello.c
$ ed src/convert.c
271
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5		int min = 0, schritt = 4, max = 100;
6		int zaehler;
7		double ergebnis;
8	
9		for (zaehler = min; zaehler <= max; zaehler = zaehler + schritt) {
10			ergebnis = zaehler * 9.0 / 5 + 32;
11			printf("%6d\t%6.2f\n", zaehler, ergebnis);
12		}
13	
14		return 0;
15	}
q
$ ed wc.l c
wc.c: No such file or directory
,a
#include <stdio.h>

int main()
{
	
		int words, chr aracters, lines;                   = 0,         character         ueoc    zeichen = 0, woerter, z   ? = 0, zeilen = 0;

	int z;  next;

	next = getchar();

	wehil   h  hile (next != EOF) 7 {
		putchar(next);
	}
^[[B^[[B        .
w
153
!cc -o wc wc.c
wc.c:14:3: error: expected '}'
        }
         ^
wc.c:4:1: note: to match this '{'
{
^
1 error generated.
!
a
}
.
!!
cc -o wc wc.c
wc.c:14:3: error: expected '}'
        }
         ^
wc.c:4:1: note: to match this '{'
{
^
1 error generated.
!
.ü
?
. ,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next;

	next = getchar();

	while (next != EOF) {
		putchar(next);
	}
}
q w
155
,p  !!
cc -o wc wc.c
!
!wc
sfasdfarfgargvba
^C!
^D$ ^[[A    ed wc.c
155
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next;
9	
10		next = getchar();
11	
12		while (next != EOF) {
13			putchar(next);
14		}
15	}
13i a
		getchar(next), ;
.
w
172
,ü
?
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next;

	next = getchar();

	while (next != EOF) {
		putchar(next);
		getchar(next);
	}
}
, 14c
				next = getchar();
.
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next;

	next = getchar();

	while (next != EOF) {
		putchar(next);
		next = getchar();
	}
}
w
175
!! cc -o wc wc.c
!
! ./( wc
sdcsfvdf
sdcsfvdf
adsrfaerf
adsrfaerf
asdvawrvuaez
asdvawrvuaez
ajdcswedkcudnasdvdfjvnd
ajdcswedkcudnasdvdfjvnd
fvdgfbsfgb
fvdgfbsfgb
afvsadfvsdil
afvsadfvsdil
fsvsdfg
fsvsdfg
^D!

?

?

?

?
q
$ ls
2015-11-11.txt	notes		transcripts	wc.c
bin		src		wc
$ nano a.  wc       ed wc.c
175
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next;

	next = getchar();

	while (next != EOF) {
		putchar(next);
		next = getchar();
	}
}
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next;
9	
10		next = getchar();
11	
12		while (next != EOF) {
13			putchar(next);
14			next = getchar();
15		}
16	}
12c   12d -15   ,15d
8c
		int next, i;
.
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12	}
12 1a
		fo  for ()^[[D     i i 0; i < 100 1 0; i++           i = 0; i < 100; i++) [{  {
		putchar(next);
		next = getchar();
	}
.
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100; i++) {
		putchar(next);
		next = getchar();
	}
}
c cc -    !cc -o wc wc.c
!
!./wc
dsfvsadfvsdfv
dsfvsadfvsdfv
aldaflövadfivamertovi
aldaflövadfivamertovi
fvasiudfvahdfivuahdfivpuadhfv
fvasiudfvahdfivuahdfivpuadhfv
adifvhsdfiovuahdfouivza
adifvhsdfiovuahdfouivza
aisdfuvaheproviuqhe
aisdfuvaheproviuqhe
aisdfuvhadofivuhadfpoiuvhadf
aisdfuvhadofivuhadfpoiuvhadf
adfiuvaodfsuvhadpifuvhapdifuvhadpf9iuvh
adfiuvaodfsuvhadpifuvhapdifuvhadpf9iuvh
adfsviuashdfviaudhfv
adfsviuashdfviaudhfv
adfvuhaodifvuhadifvuahdfpov
adfvuhaodifvuhadifvuahdfpov
sidfvpuisadhfvpadfiuvh
sidfvpuisadhfvpadfiuvh
adifvhadfvuahdpfvuhadpifuvhadifuvhaidsfuvha
adifvhadfvuahdpfvuhadpifuvhadifuvhaidsfuvha
dfvfvfvfv
dfvfvfvfv
afvuiadfhvioadufhvaoudhfvaidfzvhauzdf
afvuiadfhvioadufhvaoudhfvaidfzvhauzdf
aifdsovaudfhvapdfvuahdsfviuadhfsv
aifdsovaudfhvapdfvuahdsfviuadhfsv
svfasdevfd
svfasdevfd
vadfvsdfvadfv
vadfvsdfvadfv
adfsvarfeqrt
adfsvarfeqrt
^D!

?
w w
184
!cc -o wc wc.c
!
!./  ./wc
sdlfvsdfuvsdfivsudhfviusdhfviushdfvushdfviushdfviushdfviushdfviushdfviushdfivushdfviushdfviiusdfhvisudfhvisdufvsidfvusdfhvisdfuvhsdifvuhsdifuvhsidfuvhsidufvh
sdlfvsdfuvsdfivsudhfviusdhfviushdfvushdfviushdfviushdfviushdfviushdfviushdfivushdfviushdfviiusdfhvis!
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100; i++) {
		putchar(next);
		next = getchar();
	}
}
!./wc    !
./wc
vsdfkuvjhnsndflkvjnsadfilvhujs
vsdfkuvjhnsndflkvjnsadfilvhujs
^Dÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ!
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		for (i = 0; i < 100; i++) {
13			putchar(next);
14			next = getchar();
15		}
16	}
23  13,14v c
		if (next == EOF     != EOF) {
			putchar(next);
			next = gwt  etchar();
		}
.
w
211
,ü p
?
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100; i++) {
		if (next != EOF) {
			putchar(next);
			next = getchar();
		}
	}
}
!cc -o wc wc.c
!
!./ /wc
dfvsdfvsdfvsdfvösdfkmvsdflkvsmdf
dfvsdfvsdfvsdfvösdfkmvsdflkvsmdf
dsfivsdfiovu
dsfivsdfiovu
^D!
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		for (i = 0; i < 100; i++) {
13			if (next != EOF) {
14				putchar(next);
15				next = getchar();
16			}
17		}
18	}
12c s/100/100000000/p
	for (i = 0; i < 100000000; i++) {
w
217
!cc -o wc wc.c
!
./  !./wc
dfvusdfvoisdfiuvsdfih
dfvusdfvoisdfiuvsdfih
^D!
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100000000; i++) {
		if (next != EOF) {
			putchar(next);
			next = getchar();
		}
	}
}
.m  ,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		for (i = 0; i < 100000000; i++) {
13			if (next != EOF) {
14				putchar(next);
15				next = getchar();
16			}
17		}
18	}
16c
			ß \ } else {  {
			break;
		}
.
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100000000; i++) {
		if (next != EOF) {
			putchar(next);
			next = getchar();
		Ã} else {
			break;
		}
	}
}
!cc -po   o wc wc.c && ./wc
dfvsdfvsdfvsdfuvhsdfoivu
dfvsdfvsdfvsdfuvhsdfoivu
^D!
w
239
!!
cc -o wc wc.c && ./wc
wc.c:16:3: error: source file is not valid UTF-8
                <C3>} else {
                ^
1 error generated.
!
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		for (i = 0; i < 100000000; i++) {
13			if (next != EOF) {
14				putchar(next);
15				next = getchar();
16			Ã} else {
17				break;
18			}
19		}
20	}
16c
		ß \  } else {
. .
16n
16			Ã} else {
16c
		} else {
.
,p n  n n
16			} else {
w
238
!!
cc -o wc wc.c && ./wc
fvdsfvuadfhviodufvhisadofuvhsi
fvdsfvuadfhviodufvhisadofuvhsi
^D!
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100000000; i++) {
		if (next != EOF) {
			putchar(next);
			next = getchar();
		} else {
			break;
		}
	}
}
13,18c
		if (next == EOF)
		break;

		puc tchar(next)M;  ;
		next = getchar();
.
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100000000; i++) {
	if (next == EOF)
		break;

	putchar(next);
	next = getchar();
	}
}
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		for (i = 0; i < 100000000; i++) {
13		if (next == EOF)
14			break;
15	
16		putchar(next);
17		next = getchar();
18		}
19	}
15 3.19 9   ,17 9s( /^/	7 /
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100000000; i++) {
		if (next == EOF)
			break;
	
		putchar(next);
		next = getchar();
		}
	}
18.10  ,  ,19s/		//p
}
. ,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100000000; i++) {
		if (next == EOF)
			break;
	
		putchar(next);
		next = getchar();
	}
}
w
221
!!  ,p n+ 
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		for (i = 0; i < 100000000; i++) {
13			if (next == EOF)
14				break;
15		
16			putchar(next);
17			next = getchar();
18		}
19	}
12c
		for (i = 0; i < 100 //  && next != EOF, i++) {
.
w
230
13m14   ,14c d
,p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	for (i = 0; i < 100 && next != EOF, i++) {
	
		putchar(next);
		next = getchar();
	}
}
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		for (i = 0; i < 100 && next != EOF, i++) {
13		
14			putchar(next);
15			next = getchar();
16		}
17	}
12,16d c
	while (next != EOF) {
		if (z ))  == Ä ' ß  \n' || z = 'f  \  \đ'  f')
			zeilen++;

		if (isspace(z))
			woerter++;

		zeichen++;
	}
,p
,p
,p
.
1,2 4 5   1,$p
#include <stdio.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	while (next != EOF) {
		if (z == Ã' \n' || z = '\Äf')
			zeilen++;

		if (isspace(z))
			woerter++;

		zeichen++;
	}
,p
,p
,p
}
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		while (next != EOF) {
13			if (z == Ã' \n' || z = '\Äf')
14				zeilen++;
15	
16			if (isspace(z))
17				woerter++;
18	
19			zeichen++;
20		}
21	,p
22	,p
23	,p
24	}
21-23   ,23d
,n
1	#include <stdio.h>
2	
3	int main()
4	{
5	
6		int zeichen = 0, woerter = 0, zeilen = 0;
7	
8		int next, i;
9	
10		next = getchar();
11	
12		while (next != EOF) {
13			if (z == Ã' \n' || z = '\Äf')
14				zeilen++;
15	
16			if (isspace(z))
17				woerter++;
18	
19			zeichen++;
20		}
21	}
j 2i 
	# #onc   include <ctypüe.   e.h>
- .
13c
		of )   if (z == '\n' || z = '\f')
.
w
259
12 3s( /(  = / == /p
		if (z == '\n' || z == '\f')
,n
1	#include <stdio.h>
2	#include <ctypÃe.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13			if (z == '\n' || z == '\f')
14			if (z == Ã' \n' || z = '\Äf')
15				zeilen++;
16	
17			if (isspace(z))
18				woerter++;
19	
20			zeichen++;
21		}
22	}
14d
,p n
1	#include <stdio.h>
2	#include <ctypÃe.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13			if (z == '\n' || z == '\f')
14				zeilen++;
15	
16			if (isspace(z))
17				woerter++;
18	
19			zeichen++;
20		}
21	}
21i
	
	printf("%6d %6f d %6d\n",  m,  , zeichen, woerter, zeilen);
.
w
281
!!
cc -o wc wc.c && ./wc
wc.c:2:10: fatal error: 'ctypÃe.h' file not found
#include <ctyp<C3>e.h>
         ^
1 error generated.
!
. 2c
#o include <ctype.h>
.
e
?
w
280
!!
cc -o wc wc.c && ./wc
wc.c:13:7: error: use of undeclared identifier 'z'
                if (z == '\n' || z == '\f')
                    ^
wc.c:13:20: error: use of undeclared identifier 'z'
                if (z == '\n' || z == '\f')
                                 ^
wc.c:16:15: error: use of undeclared identifier 'z'
                if (isspace(z))
                            ^
/usr/include/ctype.h:96:32: note: expanded from macro 'isspace'
#define isspace(c)      __sbistype((c), _CTYPE_S)
                                    ^
wc.c:22:9: error: expected parameter declarator
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
               ^
wc.c:22:9: error: expected ')'
wc.c:22:8: note: to match this '('
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
              ^
wc.c:22:2: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
        ^~~~~~
wc.c:22:2: error: conflicting types for 'printf'
/usr/include/stdio.h:257:6: note: previous declaration is here
int      printf(const char * __restrict, ...);
         ^
wc.c:23:1: error: extraneous closing brace ('}')
}
^
1 warning and 7 errors generated.
!
mp  ,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

		if (z == '\n' || z == '\f')
			zeilen++;

		if (isspace(z))
			woerter++;

		zeichen++;
	}

	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
,p n
1	#include <stdio.h>
2	#include <ctype.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13			if (z == '\n' || z == '\f')
14				zeilen++;
15	
16			if (isspace(z))
17				woerter++;
18	
19			zeichen++;
20		}
21	
22		printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
23	}
13s/z/next/2p
		if (z == '\n' || next == '\f')
13s/u z/next/p
		if (next == '\n' || next == '\f')
w
286
!!
cc -o wc wc.c && ./wc
wc.c:16:15: error: use of undeclared identifier 'z'
                if (isspace(z))
                            ^
/usr/include/ctype.h:96:32: note: expanded from macro 'isspace'
#define isspace(c)      __sbistype((c), _CTYPE_S)
                                    ^
wc.c:22:9: error: expected parameter declarator
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
               ^
wc.c:22:9: error: expected ')'
wc.c:22:8: note: to match this '('
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
              ^
wc.c:22:2: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
        ^~~~~~
wc.c:22:2: error: conflicting types for 'printf'
/usr/include/stdio.h:257:6: note: previous declaration is here
int      printf(const char * __restrict, ...);
         ^
wc.c:23:1: error: extraneous closing brace ('}')
}
^
1 warning and 5 errors generated.
!
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(z))
			woerter++;

		zeichen++;
	}

	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
,n
1	#include <stdio.h>
2	#include <ctype.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13			if (next == '\n' || next == '\f')
14				zeilen++;
15	
16			if (isspace(z))
17				woerter++;
18	
19			zeichen++;
20		}
21	
22		printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
23	}
16s/u z/next/p
		if (isspace(next))
w
289
!!
cc -o wc wc.c && ./wc
wc.c:22:9: error: expected parameter declarator
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
               ^
wc.c:22:9: error: expected ')'
wc.c:22:8: note: to match this '('
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
              ^
wc.c:22:2: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
        ^~~~~~
wc.c:22:2: error: conflicting types for 'printf'
/usr/include/stdio.h:257:6: note: previous declaration is here
int      printf(const char * __restrict, ...);
         ^
wc.c:23:1: error: extraneous closing brace ('}')
}
^
1 warning and 4 errors generated.
!
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(next))
			woerter++;

		zeichen++;
	}

	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
,n
1	#include <stdio.h>
2	#include <ctype.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13			if (next == '\n' || next == '\f')
14				zeilen++;
15	
16			if (isspace(next))
17				woerter++;
18	
19			zeichen++;
20		}
21	
22		printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
23	}
13i
	while (next != EOF)
.
w
310
!!
cc -o wc wc.c && ./wc
wc.c:23:9: error: expected parameter declarator
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
               ^
wc.c:23:9: error: expected ')'
wc.c:23:8: note: to match this '('
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
              ^
wc.c:23:2: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
        ^~~~~~
wc.c:23:2: error: conflicting types for 'printf'
/usr/include/stdio.h:257:6: note: previous declaration is here
int      printf(const char * __restrict, ...);
         ^
wc.c:24:1: error: extraneous closing brace ('}')
}
^
1 warning and 4 errors generated.
!
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	while (next != EOF)
		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(next))
			woerter++;

		zeichen++;
	}

	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
14 3c
	while (next != EOF) {
.
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	while (next != EOF) {
		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(next))
			woerter++;

		zeichen++;
	}

	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
!!
cc -o wc wc.c && ./wc
wc.c:23:9: error: expected parameter declarator
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
               ^
wc.c:23:9: error: expected ')'
wc.c:23:8: note: to match this '('
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
              ^
wc.c:23:2: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
        printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
        ^~~~~~
wc.c:23:2: error: conflicting types for 'printf'
/usr/include/stdio.h:257:6: note: previous declaration is here
int      printf(const char * __restrict, ...);
         ^
wc.c:24:1: error: extraneous closing brace ('}')
}
^
1 warning and 4 errors generated.
!
w
312
!!
cc -o wc wc.c && ./wc
abc def g
hijklmno
^[  ^D^D
^D
^D^D
^D
^D
^C!

?
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	while (next != EOF) {
		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(next))
			woerter++;

		zeichen++;
	}

	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
,n
1	#include <stdio.h>
2	#include <ctype.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13		while (next != EOF) {
14			if (next == '\n' || next == '\f')
15				zeilen++;
16	
17			if (isspace(next))
18				woerter++;
19	
20			zeichen++;
21		}
22	
23		printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
24	}
21a

		get   next = getchar();
.
w
333
!!
cc -o wc wc.c && ./wc
abc def gh
ijklmn
^D^D^C!
^D$ ^[[A^[[B        ^[[A 
/usr/local/bin/ksh93: [: not found [No such file or directory]
$ ed wc.c
333
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	while (next != EOF) {
		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(next))
			woerter++;

		zeichen++;
	}

		next = getchar();

	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
,n
1	#include <stdio.h>
2	#include <ctype.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13		while (next != EOF) {
14			if (next == '\n' || next == '\f')
15				zeilen++;
16	
17			if (isspace(next))
18				woerter++;
19	
20			zeichen++;
21		}
22	
23			next = getchar();
24	
25		printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
26	}
24 3d
21i

	next = getchar();
.
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	while (next != EOF) {
		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(next))
			woerter++;

		zeichen++;

	next = getchar();
	}


	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
,n
1	#include <stdio.h>
2	#include <ctype.h>
3	
4	int main()
5	{
6	
7		int zeichen = 0, woerter = 0, zeilen = 0;
8	
9		int next, i;
10	
11		next = getchar();
12	
13		while (next != EOF) {
14			if (next == '\n' || next == '\f')
15				zeilen++;
16	
17			if (isspace(next))
18				woerter++;
19	
20			zeichen++;
21	
22		next = getchar();
23		}
24	
25	
26		printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
27	}
22s/	^/	/ü p
?
22s/^/	/p
		next = getchar();
w
334
!cc w -p o wc wc.c && ./wc
anc   b c def ghi 
jklmn
^D    17      4      2
!
!./wc
acb  bc
^D     4      1      1
!
!./wc
sdv^D^D     3      0      0
!
,p
#include <stdio.h>
#include <ctype.h>

int main()
{

	int zeichen = 0, woerter = 0, zeilen = 0;

	int next, i;

	next = getchar();

	while (next != EOF) {
		if (next == '\n' || next == '\f')
			zeilen++;

		if (isspace(next))
			woerter++;

		zeichen++;

		next = getchar();
	}


	printf("%6d %6d %6d\n", zeichen, woerter, zeilen);
}
q
$ 

Script done on Wed Nov 11 20:06:31 2015