5.10 fcntl.h

POSIX specification: http://www.opengroup.org/susv3xbd/fcntl.h.html

Gnulib module: fcntl

Portability problems fixed by Gnulib:

• ‘O_NOCTTY’, ‘O_DSYNC’, ‘O_NONBLOCK’, ‘O_RSYNC’, ‘O_SYNC’ are not defined on some platforms.
• ‘O_BINARY’, ‘O_TEXT’ (not specified by POSIX, but essential for portability to Woe32 platforms) are defined on some platforms but not on others.
• ‘O_DIRECT’, ‘O_DIRECTORY’, ‘O_NDELAY’, ‘O_NOATIME’, ‘O_NOFOLLOW’, ‘O_NOLINKS’ (not specified by POSIX) are defined on some platforms but not on others.

Portability problems not fixed by Gnulib: