lseekLSEEK这个英文什么意思？

关于lseek的用法！急！！

LSEEK这个英文什么意思？

函数名: lseek 功 能: 移动文件读/写指针 用 法: long lseek(int handle, long offset, int fromwhere);

#include #include #include #include #include int main(void) { int handle; char msg[] = "This is a test"; char ch; /* create a file */ handle = open("TEST.$$$", O_CREAT | O_RDWR, S_IREAD | S_IWRITE); /* write some data to the file */ write(handle, msg, strlen(msg)); /* seek to the begining of the file */ lseek(handle, 0L, SEEK_SET); /* reads chars from the file until we hit EOF */ do { read(handle, &ch, 1); printf("%c", ch); } while (!eof(handle)); close(handle); return 0; }