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 ftime(3) -- return date and time
    Return current date and time in tp, which is declared as following: struct timeb { time_t time; unsigned short millitm; short timezone; short dstflag; }; The structure contains the time since the epoc...
 ftok(3) -- convert a pathname and a project identifier to a System V IPC key
    The function converts the pathname of an existing accessible file and a project identifier into a key_t type System V IPC key.
 fts(3) -- traverse a file hierarchy
    The fts functions are provided for traversing UNIX file hierarchies. A simple overview is that the fts_open() function returns a ``handle'' on a file hierarchy, which is then supplied to the other f...
 ftw(3) -- file tree walk
    ftw() walks through the directory tree starting from the indicated directory dir. For each found entry in the tree, it calls fn() with the full pathname of the entry, a pointer to the stat(2) structur...
 fwide(3) -- set and determine the orientation of a FILE stream
    When mode is zero, the fwide function determines the current orientation of stream. It returns a value > 0 if stream is wide-character oriented, i.e. if wide character I/O is permitted but char I/O is...
 gcvt(3) -- convert a floating-point number to a string.
    The gcvt() function converts number to a minimal length NULL terminated ASCII string and stores the result in buf. It produces ndigit significant digits in either printf(3) F format or E format.
 getaddrinfo(3) -- network address and service translation
    The getaddrinfo(3) function combines the functionality provided by the getipnodebyname(3), getipnodebyaddr(3), getservbyname(3), and get- servbyport(3) functions into a single interface. The thread-sa...
 getcwd(3) -- Get current working directory
    The getcwd() function copies an absolute pathname of the current working directory to the array pointed to by buf, which is of length size. If the current absolute path name would require a buffer lon...
 getdirentries(3) -- get directory entries in a filesystem independent format
    Read directory entries from the directory specified by fd into buf. At most nbytes are read. Reading starts at offset *basep, and *basep is updated with the new position after reading.
 getenv(3) -- get an environment variable
    The getenv() function searches the environment list for a string that matches the string pointed to by name. The strings are of the form name = value.
 getgrent(3) -- get group file entry
    The getgrent() function returns a pointer to a structure containing the group information from /etc/group. The first time it is called it returns the first entry; thereafter, it returns successive ent...
 getgrnam(3) -- get group file entry
    The getgrnam() function returns a pointer to a structure containing the group information from /etc/group for the entry that matches the group name name. The getgrgid() function returns a pointer to a...
 gethostbyname(3) -- get network host entry
    The gethostbyname() function returns a structure of type hostent for the given host name. Here name is either a host name, or an IPv4 address in standard dot notation, or an IPv6 address in colon (and...
 getipnodebyname(3) -- get network host names and addresses
    The getipnodebyname(3) and getipnodebyaddr(3) functions return the names and addresses of a network host. These functions return a pointer to the following structure: struct hostent { char *h_name; ch...
 getloadavg(3) -- get system load averages
    The getloadavg() function returns the number of processes in the system run queue averaged over various periods of time. Up to nelem samples are retrieved and assigned to successive elements of loadav...
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