NAME

fcntl − file control options

DESCRIPTION

#include <fcntl.h>

DESCRIPTION

The fcntl(2) function provides for control over open files.  This include file describes requests and arguments to fcntl and open(2) as shown below:

/∗@(#)fcntl.h 1.1 83/08/01 SMI; from UCB 4.1 83/07/03∗/
 /∗
 ∗ Flag values accessible to open(2) and fcntl(2)
 ∗  (The first three can only be set by open)
 ∗/
#defineO_RDONLY0
#defineO_WRONLY1
#defineO_RDWR2
#defineO_NDELAY04/∗ Non-blocking I/O ∗/
#defineO_APPEND010/∗ append (writes guaranteed at the end) ∗/
 /∗ fcntl(2) requests ∗/
#defineF_DUPFD0/∗ Duplicate fildes ∗/
#defineF_GETFD1/∗ Get fildes flags ∗/
#defineF_SETFD2/∗ Set fildes flags ∗/
#defineF_GETFL3/∗ Get file flags ∗/
#defineF_SETFL4/∗ Set file flags ∗/
#defineF_GETOWN5/∗ Get owner ∗/
#define F_SETOWN6/∗ Set owner ∗/

SEE ALSO

fcntl(2), open(2)

Sun System Release 1.0  —  1 September 1983