目录linux驱动常用函数(copy_from_user open read write)1.open2.read3.write4.copy_to_user5.copy_from_userlinux驱动常用函数(copy_from_user open read write)
1.open
函数定义:
int open( const char * pathname, int flags);
int open( const char * pathname,int flags, mode_t mode);
参数说明:
̳...