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Linux打开及创建文件
阅读量:742 次
发布时间:2019-03-21

本文共 429 字,大约阅读时间需要 1 分钟。

#include 
#include
#include
#include
int main() { int fd; fd = open("./demo1file", O_RDWR | O_CREAT, 0600); printf("%d\n", fd); return 0;}

这段代码演示了如何使用文件操作。在程序中,我们首先包括了一些系统相关的文件,例如sys/types.hsys/stat.hfcntl.hstdio.h。然后,我们使用open()函数打开文件./demo1file,使用 bitte的权限组合O_RDWRO_CREAT,以及文件权限0600。如果文件不存在,则会创建一个新的文件。程序随后打印文件描述符fd,最后返回0。

这段代码可以在任意支持C语言的开发环境中运行,用于处理文件操作。

转载地址:http://lwagz.baihongyu.com/

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