statfs(3) Library Functions Manual statfs(3) Name statfs, - get file system statistics Syntax #include <sys/types.h> #include <sys/param.h> #include <sys/mount.h> statfs(path, buffer) char *path; struct fs_data *buffer; Description The library routine returns up-to-date information about a mounted file system. The path is the path name of any file within the mounted file system. The buffer is a pointer to an structure as defined in Return Values Upon successful completion, a value of is returned. If the file system is not mounted, is returned. Otherwise, is returned and the global variable errno is set to indicate the error. Diagnostics The library routine fails if one or more of the following are true: [ENOTDIR] A component of the path prefix of path is not a directory. [EINVAL] path contains a character with the high-order bit set. [ENAMETOOLONG] The length of a component of path exceeds 255 characters, or the length of path exceeds 1023 characters. [ENOENT] The file referred to by path does not exist. [EACCES] Search permission is denied for a component of the path prefix of path. [ELOOP] Too many symbolic links were encountered in translating path. [EFAULT] buffer or path points to an invalid address. [EIO] An I/O error occurred while reading from the file system. See Also getmnt(2), getmountent(3) statfs(3)