úÎK2     Sendfile 8 ssize_t sendfile(int out_fd, int in_fd, off_t * offset , size_t  count ); Fcntl  Read, Write  Stat / int stat(const char *path, struct stat *buf); & int fstat(int fd, struct stat *buf); 0 int lstat(const char *path, struct stat *buf);  Open, Close , int open(const char *pathname, int flags);  int close(int fd);                hsyscall-0.2System.SyscallSystem.Syscall.Linux c_sendfilec_lstatc_fstatc_statc_fcntlc_writec_readc_closec_open StructStatstSize StructStatPtr FcntlFlags unFcntlFlagso_rdonlyo_wronlyo_rdwro_creato_append