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INTRO(3F)							     INTRO(3F)

NAME
       intro - introduction to Fortran library functions and subroutines

DESCRIPTION
       This  section describes those functions and subroutines that are in the
       Fortran runtime library.	 The functions and  subroutines	  listed  here
       provide	an  interface  from Fortran programs to the system in the same
       manner as the C library does for C programs.  (You can also access  the
       C  library  directly  if you use pragmas.)  These functions and subrouā€
       tines are automatically	loaded	as  needed  by	the  Fortran  compiler
       f95(1).

       Most of these routines are in libfui.a and libfsu.a.  Some routines are
       in lib77compat.a and libF77.so.

       Additional information can be found in the  Fortran  Library  Reference
       Manual

LIST OF FUNCTIONS
       Name    Appears on Page	  Description

       abort	  abort(3F)    terminate abruptly; write memory image to core file
       access	  access(3F)   return access mode (r,w,x) or existence of a file
       alarm	  alarm(3F)    execute a subroutine after a specified time
       bit	  bit(3F)      and/or/xor/not/rshift/lshift/bic/bis/bit/setbit functions
       chdir	  chdir(3F)    change default directory
       chmod	  chmod(3F)    change mode of a file
       ctime	  time(3F)     return system time
       date	  date(3F)     return date in character form
       date_and_time	       Fortran 95-style date routine
       drand	  rand(3F)     random values
       dtime	  etime(3F)    return elapsed execution time
       etime	  etime(3F)    return elapsed execution time
       exit	  exit(3F)     terminate process with status
       floatingpoint	       IEEE floating-point definitions
       ieee_environment	       IEEE floating-point mode, status, and signals
       fdate	  fdate(3F)    return date and time in an ASCII string
       fgetc	  getc(3F)     get a character from a logical unit
       flush	  flush(3F)    flush output to a logical unit
       fork	  fork(3F)     create a copy of this process
       fputc	  putc(3F)     write a character to a Fortran logical unit
       free	  free(3F)     memory deallocator
       fseek	  fseek(3F)    reposition a file on a logical unit
       fseeko64	  fseeko64(3F) reposition a long file on a logical unit
       fstat	  stat(3F)     get file status
       fstat64	  stat64(3F)   get file status (long file)
       ftell	  fseek(3F)    reposition a file on a logical unit
       ftell64	  fseek64(3F)  reposition a long file on a logical unit
       gerror	  perror(3F)   get system error messages
       getarg	  getarg(3F)   get the kth command-line argument
       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
       getfd	  getfd(3F)    get file descriptor of external unit number
       getfilep	  getfilep(3F) get file pointer of external unit number
       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 the number of arguments after command name
       idate	  idate(3F)    return date in numerical form
       ierrno	  perror(3F)   get system error messages
       index	  index(3F)    return index of first occurrence of string a2 in a1
       inmax	  inmax(3F)    return the maximum positive integer
       ioinit	  ioinit(3F)   initialize IO carriage control, blanks, append, names
       irand	  rand(3F)     random values
       isatty	  ttynam(3F)   returns true if unit is a terminal device
       isetjmp	  longjmp(3F)  save the stack and register envirnoment for longjmp
       itime	  itime(3F)    return time in numerical form
       kill	  kill(3F)     send a signal to a process
       len	  index(3F)    return declared length of character string
       libm_double	       double-precision libm (math) functions
       libm_quadruple	       quadruple-precision libm (math) functions
       libm_single	       single-precision libm (math) functions
       link	  link(3F)     make a link to an existing file
       lnblnk	 index(3F)     return index of last non-blank in character string
       loc	  loc(3F)      return the address of an object
       long	  long(3F)     integer object conversion
       longjmp	  long(3F)     return to the location set by isetjmp
       lstat	  stat(3F)     get file status
       lstat64	  stat64(3F)   get long file status
       ltime	  time(3F)     return system time
       malloc	  malloc(3F)   memory allocator
       mvbits	  mvbits(3F)   move bits, VMS
       perror	  perror(3F)   get system error messages
       putc	  putc(3F)     write a character to a Fortran logical unit
       qsort	  qsort(3F)    quick sort
       ran	  ran(3F)      random values, VMS
       rand	  rand(3F)     random values
       rename	  rename(3F)   rename a file
       rindex	  index(3F)    return index of last occurrence of string a2 in a1
       secnds	  secnds(3F)   return system time, VMS
       sh	  sh(3F)       fast execute of sh command
       short	  long(3F)     integer object conversion
       signal	  signal(3F)   change the action for a signal
       sleep	  sleep(3F)    suspend execution for an interval
       stat	  stat(3F)     get file status
       stat64	  stat64(3F)   get long file status
       symlnk	  link(3F)     make a link to an existing file
       system	  system(3F)   execute operating system command
       tclose	  topen(3F)    f77 tape close (obsolete)
       time	  time(3F)     return system time (obsolete)
       topen	  topen(3F)    f77 tape open (obsolete)
       tread	  topen(3F)    f77 tape read (obsolete)
       trewin	  topen(3F)    f77 tape rewind (obsolete)
       tskipf	  topen(3F)    f77 tape skip files or records, reset eof and eot status (obsolete)
       tstate	  topen(3F)    logical state of f77 tape I/O channel (obsolete)
       ttynam	  ttynam(3F)   find name of a terminal port
       twrite	  topen(3F)    f77 tape write (obsolete)
       unlink	  unlink(3F)   remove a file
       wait	  wait(3F)     wait for a process to terminate

				  2003/02/25			     INTRO(3F)
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