70,038
社区成员
发帖
与我相关
我的任务
分享关于 fopen
在C中fopen一个文件，报 libc internal error:
_rmutex_unlock: rmutex not held 何故？
_rmutex_unlock: rmutex not held 何故？
...全文
请发表友善的回复…
发表回复
f2bin 2001-09-10
- 打赏
- 举报
to xwu(蛮牛) :不行耶 ，：（
to fsb_12345(myself) :谢谢你的例子，不过我要得不是这个。：（
to scklotz(晓春) :SUN Solaris ,workshop 4.2.
to fsb_12345(myself) :谢谢你的例子，不过我要得不是这个。：（
to scklotz(晓春) :SUN Solaris ,workshop 4.2.
onetwothree 2001-09-08
- 打赏
- 举报
fsb_12345(myself)：你用文本方式打开文件，后用二进制方式读写，这样做有问题！请想想。
scklotz 2001-09-08
- 打赏
- 举报
vc or tc ?
cmpp 2001-09-07
- 打赏
- 举报
我来学习一下！
cmpp 2001-09-07
- 打赏
- 举报
我来学习一下！
cmpp 2001-09-07
- 打赏
- 举报
我来学习一下！
fsb_12345 2001-09-07
- 打赏
- 举报
#include <string.h>
#include <stdio.h>
int main(void)
{
FILE *stream;
char msg[] = "this is a test";
char buf[20];
if ((stream = fopen("DUMMY.FIL", "w+"))
== NULL)
{
fprintf(stderr,
"Cannot open output file.\n");
return 1;
}
/* write some data to the file */
fwrite(msg, strlen(msg)+1, 1, stream);
/* seek to the beginning of the file */
fseek(stream, SEEK_SET, 0);
/* read the data and display it */
fread(buf, strlen(msg)+1, 1, stream);
printf("%s\n", buf);
fclose(stream);
return 0;
}
#include <stdio.h>
int main(void)
{
FILE *stream;
char msg[] = "this is a test";
char buf[20];
if ((stream = fopen("DUMMY.FIL", "w+"))
== NULL)
{
fprintf(stderr,
"Cannot open output file.\n");
return 1;
}
/* write some data to the file */
fwrite(msg, strlen(msg)+1, 1, stream);
/* seek to the beginning of the file */
fseek(stream, SEEK_SET, 0);
/* read the data and display it */
fread(buf, strlen(msg)+1, 1, stream);
printf("%s\n", buf);
fclose(stream);
return 0;
}
xwu 2001-09-07
- 打赏
- 举报
Compile with option "-mt".
