Remove an existing watch from an inotify instance
int inotify_rm_watch(int fd, int wd);
inotify_rm_watch() removes the watch associated with the watch descriptor wd from the inotify instance associated with the file descriptor fd.
Removing a watch causes an IN_IGNORED event to be generated for this watch descriptor. (See inotify(7).)
On success, inotify_rm_watch() returns zero. On error, -1 is returned and errno is set to indicate the cause of the error.
fd is not a valid file descriptor.
The watch descriptor wd is not valid; or fd is not an inotify file descriptor.
Inotify was merged into the 2.6.13 Linux kernel.
This system call is Linux-specific.
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