回答編集履歴
5
変更
answer
CHANGED
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@@ -2,30 +2,29 @@
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2
2
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10件毎に保存メモリを拡張します
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3
3
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4
4
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```c
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5
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-
#include<stdio.h>
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6
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-
#include<string.h>
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7
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-
#include<stdlib.h>
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8
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-
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9
5
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void main(void)
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10
6
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{
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11
7
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int ret;
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12
8
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int cnt=0;
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13
9
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int *mbuf;
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10
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+
int ii;
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14
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-
mbuf = (int *)malloc(sizeof(int) *
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11
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+
mbuf = (int *)malloc(sizeof(int) * 11);
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15
12
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while( fscanf( stdin , "%d" , &ret) != EOF ) {
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16
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-
printf( "ret=%d\n" , ret );
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17
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-
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13
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+
if ( cnt !=0 && cnt%10 == 0){
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18
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-
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14
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+
mbuf = (int *)realloc( mbuf, sizeof(int) * (cnt * 2) );
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19
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-
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15
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+
if( mbuf == NULL ){
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20
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-
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16
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+
printf( "メモリ確保に失敗\n" );
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21
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-
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17
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+
free( mbuf );
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22
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-
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18
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+
return;
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23
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-
}
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24
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-
// printf( "メモリ確保 %d\n", cnt );
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25
19
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}
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20
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+
printf( "メモリ確保 %d\n", cnt );
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21
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}
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26
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-
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22
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+
mbuf[cnt] = ret;
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27
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-
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23
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+
cnt++;
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28
24
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}
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25
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+
for (ii=0; ii<cnt; ii++){
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26
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printf (" %d", mbuf[ii]);
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27
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}
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29
28
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free(mbuf);
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30
29
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}
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31
30
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```
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4
改修
answer
CHANGED
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@@ -2,28 +2,31 @@
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2
2
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10件毎に保存メモリを拡張します
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3
3
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4
4
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```c
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5
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+
#include<stdio.h>
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6
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+
#include<string.h>
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7
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+
#include<stdlib.h>
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8
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+
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5
9
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void main(void)
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6
10
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{
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7
11
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int ret;
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8
12
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int cnt=0;
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9
13
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int *mbuf;
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10
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-
int *tbuf;
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11
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-
mbuf = (int *)malloc(
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14
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+
mbuf = (int *)malloc(sizeof(int) * 10 + 1);
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12
15
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while( fscanf( stdin , "%d" , &ret) != EOF ) {
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13
16
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printf( "ret=%d\n" , ret );
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14
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-
mbuf[cnt] = ret;
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15
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-
cnt++;
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16
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-
if ( cnt%10 == 0){
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17
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+
if ( cnt !=0 && cnt%10 == 0){
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17
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-
printf( "メモリ確保\n" );
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18
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-
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18
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+
mbuf = (int *)realloc( mbuf, sizeof(int) * cnt * 2);
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19
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-
if(
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19
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+
if( mbuf == NULL ){
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20
20
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printf( "メモリ確保に失敗\n" );
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21
21
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free( mbuf );
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22
22
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return;
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23
23
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}
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24
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-
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24
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+
// printf( "メモリ確保 %d\n", cnt );
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25
25
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}
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26
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+
mbuf[cnt] = ret;
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27
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+
cnt++;
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26
28
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}
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29
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+
free(mbuf);
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27
30
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}
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28
31
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```
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29
32
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3
hennkou
answer
CHANGED
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@@ -1,14 +1,28 @@
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1
1
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簡単ですが、標準入力を受け付けて最後はctrl+dで終了します。
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2
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+
10件毎に保存メモリを拡張します
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|
2
3
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|
|
3
4
|
```c
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|
4
|
-
#include<stdio.h>
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|
5
|
-
#include<string.h>
|
|
6
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-
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7
5
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void main(void)
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8
6
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{
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9
7
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int ret;
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8
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+
int cnt=0;
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9
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+
int *mbuf;
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10
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+
int *tbuf;
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11
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+
mbuf = (int *)malloc( sizeof(ret) * 10 );
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10
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-
while( fscanf( stdin , "%d" , &ret
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12
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+
while( fscanf( stdin , "%d" , &ret) != EOF ) {
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11
13
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printf( "ret=%d\n" , ret );
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14
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+
mbuf[cnt] = ret;
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15
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+
cnt++;
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16
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+
if ( cnt%10 == 0){
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17
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+
printf( "メモリ確保\n" );
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18
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+
tbuf = (int *)realloc( mbuf, sizeof(ret) * 10);
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19
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+
if( tbuf == NULL ){
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20
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+
printf( "メモリ確保に失敗\n" );
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21
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+
free( mbuf );
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22
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+
return;
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23
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+
}
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24
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+
mbuf = tbuf;
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25
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+
}
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12
26
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}
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13
27
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}
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14
28
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```
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2
変更
answer
CHANGED
|
@@ -15,4 +15,4 @@
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15
15
|
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16
16
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端末からの入力のできますが、パイプやリダイレクションでも良いです。
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|
17
17
|
cat file1 | ./progA
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|
18
|
-
progA < file1
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18
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+
./progA < file1
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1
補足
answer
CHANGED
|
@@ -11,4 +11,8 @@
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11
11
|
printf( "ret=%d\n" , ret );
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12
12
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}
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13
13
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}
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14
|
-
```
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14
|
+
```
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|
15
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+
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16
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+
端末からの入力のできますが、パイプやリダイレクションでも良いです。
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|
17
|
+
cat file1 | ./progA
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|
18
|
+
progA < file1
|