f
fcntl(5) fcntl(5)
F_RDLCK Read lock.
F_WRLCK Write lock.
F_UNLCK Remove locks.
SEE ALSO
fcntl(2), fadvise(2), open(2).
STANDARDS CONFORMANCE
<fcntl.h>: AES, SVID3, XPG2, XPG3, XPG4, FIPS 151-2, POSIX.1
HP-UX 11i Version 3: February 2007 − 2 − Hewlett-Packard Company 171
