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 intro(2) -- introduction to system calls and error numbers
    This section provides an overview of the system calls, their error returns, and other common definitions and concepts.
 ioctl(2) -- control device
    The ioctl() function manipulates the underlying device parameters of special files. In particular, many operating characteristics of character special files (e.g. terminals) may be controlled with ioc...
 issetugid(2) -- is current process tainted by uid or gid changes
    The issetugid() function returns 1 if the process environment or memory address space is considered ``tainted'', and returns 0 otherwise. A process is tainted if it was created as a result of an exe...
 kill(2) -- send signal to a process
    The kill() function sends the signal given by sig to pid, a process or a group of processes. sig may be one of the signals specified in sigaction(2) or it may be 0, in which case error checking is per...
 ktrace(2) -- process tracing
    The ktrace() function enables or disables tracing of one or more processes. Users may only trace their own processes. Only the super-user can trace setuid or setgid programs. The tracefile gives the p...
 lchflags(2) -- set file flags
    The file whose name is given by path or referenced by the descriptor fd has its flags changed to flags. For lchflags(), symbolic links are not traversed and thus their modes may be changed with this c...
 lchmod(2) -- change mode of file
    The function chmod() sets the file permission bits of the file specified by the pathname path to mode. fchmod() sets the permission bits of the specified file descriptor fd. lchmod() is like chmod() e...
 lchown(2) -- change owner and group of a file
    The owner ID and group ID of the file named by path or referenced by fd is changed as specified by the arguments owner and group. The owner of a file may change the group to a group of which he or she...
 lfs_bmapv(2) -- retrieve disk addresses for arrays of blocks
    lfs_bmapv() fills in the bi_daddr field for every block listed in the block array blkiov with the disk address corrseponding to the logical block bi_lbn of the file with inode bi_inode. If bi_lbn is L...
 lfs_markv(2) -- rewrite disk blocks to new disk locations
    lfs_markv() rewrites the blocks specified in blkiov to new disk locations, for the purposes of grouping them next to one another, or to move them out of a segment to clean it. All fields of the BLOCK_...
 lfs_segclean(2) -- mark a segment clean
    lfs_segclean() marks segment number segment in LFS filesystem *fsidp "clean" or available for writing.
 lfs_segwait(2) -- wait until a segment is written
    lfs_segwait() blocks until a new segment is acquired for writing by the filesystem specified by *fsidp or if *fsidp is -1, until a segment is acquired for writing by any LFS filesystem. If timeout is ...
 link(2) -- make a hard file link
    The link() function call atomically creates the specified directory entry (hard link) name2 with the attributes of the underlying object pointed at by name1. If the link is successful: the link count ...
 listen(2) -- listen for connections on a socket
    To accept connections, a socket is first created with socket(2), a willingness to accept incoming connections and a queue limit for incoming connections are specified with listen(), and then the conne...
 lseek(2) -- reposition read/write file offset
    The lseek() function repositions the offset of the file descriptor fildes to the argument offset according to the directive whence. The argument fildes must be an open file descriptor. lseek() reposit...
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