4.3BSD-UWisc/man/cat3/intro.3f
INTRO(3F) UNIX Programmer's Manual INTRO(3F)
NAME
intro - introduction to FORTRAN library functions
DESCRIPTION
This section describes those functions that are in the For-
tran run time library. The functions listed here provide an
interface from _f_7_7 programs to the system in the same manner
as the C library does for C programs. They are automati-
cally loaded as needed by the Fortran compiler _f_7_7(1),
except for the graphics interface routines. Those must be
explicitly requested, see _p_l_o_t(3f).
The math intrinsics required by the 1977 Fortran standard
are available, although not described here. In addition,
the _a_b_s, _s_q_r_t, _e_x_p, _l_o_g, _s_i_n, and _c_o_s intrinsics have been
extended for double complex values. They may be referenced
using the generic names listed above, or they may be refer-
enced using their specific names that consist of the generic
names preceded by either _c_d or _z. For example, if _z_z is
double complex, then _s_q_r_t(_z_z), _z_s_q_r_t(_z_z), or _c_d_s_q_r_t(_z_z) com-
pute the square root of _z_z. The _d_c_m_p_l_x intrinsic forms a
double complex value from two double precision variables or
expressions, and the name of the specific function for the
conjugate of a double complex value is _d_c_o_n_j_g.
Most of these functions are in libU77.a. Some are in
libF77.a or libI77.a. A few intrinsic functions are
described for the sake of completeness.
For efficiency, the SCCS ID strings are not normally
included in the _a._o_u_t file. To include them, simply declare
external f77lid
in any _f_7_7 module.
LIST OF FUNCTIONS
_N_a_m_e _A_p_p_e_a_r_s _o_n _P_a_g_e _D_e_s_c_r_i_p_t_i_o_n
9 abort abort.3f abnormal termination
access access.3f determine accessibility of a file
alarm alarm.3f execute a subroutine after a specified time
and bit.3f bitwise and
arc plot.3f f77 interface to plot(3x)
bessel bessel.3f bessel functions of two kinds for integer orders
box plot.3f f77 interface to plot(3x)
chdir chdir.3f change default directory
chmod chmod.3f change mode of a file
circle plot.3f f77 interface to plot(3x)
clospl plot.3f f77 interface to plot(3x)
cont plot.3f f77 interface to plot(3x)
ctime time.3f return system time
dffrac flmin.3f return extreme values
Printed 12/27/86 May 27, 1986 1
9
INTRO(3F) UNIX Programmer's Manual INTRO(3F)
dflmax flmin.3f return extreme values
dflmin flmin.3f return extreme values
drand rand.3f return random values
drandm random.3f better random number generator
dtime etime.3f return elapsed execution time
erase plot.3f f77 interface to plot(3x)
etime etime.3f return elapsed execution time
exit exit.3f terminate process with status
falloc malloc.3f memory allocator
fdate fdate.3f return date and time in an ASCII string
ffrac flmin.3f return extreme values
fgetc getc.3f get a character from a logical unit
flmax flmin.3f return extreme values
flmin flmin.3f return extreme values
flush flush.3f flush output to a logical unit
fork fork.3f create a copy of this process
fpecnt trpfpe.3f trap and repair floating point faults
fputc putc.3f write a character to a fortran logical unit
free malloc.3f memory allocator
fseek fseek.3f reposition a file on a logical unit
fstat stat.3f get file status
ftell fseek.3f reposition a file on a logical unit
gerror perror.3f get system error messages
getarg getarg.3f return command line arguments
getc getc.3f get a character from a logical unit
getcwd getcwd.3f get pathname of current working directory
getenv getenv.3f get value of environment variables
getgid getuid.3f get user or group ID of the caller
getlog getlog.3f get user's login name
getpid getpid.3f get process id
getuid getuid.3f get user or group ID of the caller
gmtime time.3f return system time
hostnm hostnm.3f get name of current host
iargc getarg.3f return command line arguments
idate idate.3f return date or time in numerical form
ierrno perror.3f get system error messages
index index.3f tell about character objects
inmax flmin.3f return extreme values
ioinit ioinit.3f change f77 I/O initialization
irand rand.3f return random values
irandm random.3f better random number generator
isatty ttynam.3f find name of a terminal port
itime idate.3f return date or time in numerical form
kill kill.3f send a signal to a process
label plot.3f f77 interface to plot(3x)
len index.3f tell about character objects
line plot.3f f77 interface to plot(3x)
linemd plot.3f f77 interface to plot(3x)
link link.3f make a link to an existing file
lnblnk index.3f tell about character objects
loc loc.3f return the address of an object
long long.3f integer object conversion
Printed 12/27/86 May 27, 1986 2
INTRO(3F) UNIX Programmer's Manual INTRO(3F)
lshift bit.3f left shift
lstat stat.3f get file status
ltime time.3f return system time
malloc malloc.3f memory allocator
move plot.3f f77 interface to plot(3x)
not bit.3f bitwise complement
openpl plot.3f f77 interface to plot(3x)
or bit.3f bitwise or
perror perror.3f get system error messages
point plot.3f f77 interface to plot(3x)
putc putc.3f write a character to a fortran logical unit
qsort qsort.3f quick sort
rand rand.3f return random values
random random.3f better random number generator
rename rename.3f rename a file
rindex index.3f tell about character objects
rshift bit.3f right shift
short long.3f integer object conversion
signal signal.3f change the action for a signal
sleep sleep.3f suspend execution for an interval
space plot.3f f77 interface to plot(3x)
stat stat.3f get file status
symlnk symlnk.3f make a symbolic link
system system.3f execute a UNIX command
tclose topen.3f f77 tape I/O
time time.3f return system time
topen topen.3f f77 tape I/O
traper traper.3f trap arithmetic errors
trapov trapov.3f trap and repair floating point overflow
tread topen.3f f77 tape I/O
trewin topen.3f f77 tape I/O
trpfpe trpfpe.3f trap and repair floating point faults
tskipf topen.3f f77 tape I/O
tstate topen.3f f77 tape I/O
ttynam ttynam.3f find name of a terminal port
twrite topen.3f f77 tape I/O
unlink unlink.3f remove a directory entry
wait wait.3f wait for a process to terminate
xor bit.3f bitwise exclusive or
Printed 12/27/86 May 27, 1986 3