vxworks下文件读写示例
2014-01-23 11:52
281 查看
dev
1.create file on floopy disk and write contents:
-> pdev=fdDevCreate(0,0,0,0) /* A:,1.44M,whole disk,offset */
-> dosFsMkfs("/fd0",pdev)
-> fd=creat("/fd0/myfile",2) or -> fp=fopen("/fd0/myfile","w")
-> buf="what you want to write to file"
-> write(fd,buf,strlen(buf)+1) or -> fprintf(fp,buf)
-> close(fd) or -> fclose(fp)
2.open file and read contents from floopy disk:
-> readbuf=malloc(100)
-> fd=open("/fd0/myfile",2) or -> fp=fopen("/fd0/myfile","r")
-> read(fd,readbuf,100) or -> fread(readbuf,1,50,fp)
-> printf readbuf
-> close(fd) or -> close(fp)
3.on simpc shell:
-> fp=fopen("host:d:/temp/myfile","w")
-> fprintf(fp,"kjkkhjk")
-> fclose(fp)
1.create file on floopy disk and write contents:
-> pdev=fdDevCreate(0,0,0,0) /* A:,1.44M,whole disk,offset */
-> dosFsMkfs("/fd0",pdev)
-> fd=creat("/fd0/myfile",2) or -> fp=fopen("/fd0/myfile","w")
-> buf="what you want to write to file"
-> write(fd,buf,strlen(buf)+1) or -> fprintf(fp,buf)
-> close(fd) or -> fclose(fp)
2.open file and read contents from floopy disk:
-> readbuf=malloc(100)
-> fd=open("/fd0/myfile",2) or -> fp=fopen("/fd0/myfile","r")
-> read(fd,readbuf,100) or -> fread(readbuf,1,50,fp)
-> printf readbuf
-> close(fd) or -> close(fp)
3.on simpc shell:
-> fp=fopen("host:d:/temp/myfile","w")
-> fprintf(fp,"kjkkhjk")
-> fclose(fp)
相关文章推荐
- vxworks下文件读写示例 分类: vxWorks 2014-01-23 11:52 762人阅读 评论(0) 收藏
- vxworks下文件读写示例
- vxworks下文件读写示例
- vxworks下文件读写示例
- WPF读写excel的完整示例-excel文件合并工具
- c#读写ini配置文件示例
- Python编程中对文件和存储器的读写示例
- Java读写Excel文件示例
- Java对xls文件进行读写操作示例代码
- C语言简单示例(文件读写6)
- c++ 文件读写简单示例
- 数据流文件读写示例
- scala 学习笔记(02) 元组Tuple、数组Array、Map、文件读写、网页抓取示例
- c#读写excel文件使用示例
- C语言简单示例(文件读写7)
- C语言 文件的随机读写详解及示例代码
- 用java读写ini配置文件的原因以及实现 示例
- [VB.NET源码]文件读写与数据库操作示例
- C语言简单示例(文件读写9)
- ASP.NET中Config文件的读写示例