mac下获取磁盘的总空间大小和可用空间大小
#include
#include
int statfs(const char *path, struct statfs *buf);
int fstatfs(int fd, struct statfs *buf);
struct statfs { /* when _DARWIN_FEATURE_64_BIT_INODE is NOT defined */
short f_otype; /* type of file system (reserved: zero) */
short f_oflags; /* copy of mount flags (reserved: zero) */
long f_bsize; /* fundamental file system block size */
long f_iosize; /* optimal transfer block size */
long f_blocks; /* total data blocks in file system */
long f_bfree; /* free blocks in fs */
long f_bavail; /* free blocks avail to non-superuser */
long f_files; /* total file nodes in file system */
long f_ffree; /* free file nodes in fs */
fsid_t f_fsid; /* file system id */
uid_t f_owner; /* user that mounted the file system */
short f_reserved1; /* reserved for future use */
short f_type; /* type of file system (reserved) */
long f_flags; /* copy of mount flags (reserved) */
long f_reserved2[2]; /* reserved for future use */
char f_fstypename[MFSNAMELEN]; /* fs type name */
char f_mntonname[MNAMELEN]; /* directory on which mounted */
char f_mntfromname[MNAMELEN]; /* mounted file system */
char f_reserved3; /* reserved for future use */
long f_reserved4[4]; /* reserved for future use */
};