/* UNISRC_ID: @(#)fcntl.h 26.1 84/07/03 */ /* Flag values accessible to open(2) and fcntl(2) */ /* (The first three can only be set by open) */ #define O_RDONLY 0 #define O_WRONLY 1 #define O_RDWR 2 #define O_NDELAY 04 /* Non-blocking I/O */ #define O_APPEND 010 /* append (writes guaranteed at the end) */ /* Flag values accessible only to open(2) */ #define O_CREAT 00400 /* open with file create (uses third open arg)*/ #define O_TRUNC 01000 /* open with truncation */ #define O_EXCL 02000 /* exclusive open */ /* fcntl(2) requests */ #define F_DUPFD 0 /* Duplicate fildes */ #define F_GETFD 1 /* Get fildes flags */ #define F_SETFD 2 /* Set fildes flags */ #define F_GETFL 3 /* Get file flags */ #define F_SETFL 4 /* Set file flags */