when it is no longer needed. fstat (2) Obtain a stat structure that describes ... memory. SEE ALSO fchmod (2), fchown (2), fstat (2), ftruncate (2), memfd_create (2), mmapPOSIX.1-2008 TC2 fork (2) See notes below fstat (2) fstatat (2) Added in POSIX.1-2008 fsyncfputws() fread() freopen() fscanf() fseek() fseeko() fsetpos() fstat() fstatat() [Added in POSIX.1-2008] ftell() ftello