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-. \" Definitions of F, L and LR for the benefit of systems
-. \" whose -man lacks them...
-.de F
-.nh
-.if n \%\&\\$1
-.if t \%\&\f(CW\\$1\fR
-.hy 14
-..
-.de L
-.nh
-.if n \%`\\$1'
-.if t \%\&\f(CW\\$1\fR
-.hy 14
-..
-.de LR
-.nh
-.if n \%`\\$1'\\$2
-.if t \%\&\f(CW\\$1\fR\\$2
-.hy 14
-..
-.TH F2C 1
-.CT 1 prog_other
-.SH NAME
-f\^2c \(mi Convert Fortran 77 to C or C++
-.SH SYNOPSIS
-.B f\^2c
-[
-.I option ...
-]
-.I file ...
-.SH DESCRIPTION
-.I F2c
-converts Fortran 77 source code in
-.I files
-with names ending in
-.L .f
-or
-.L .F
-to C (or C++) source files in the
-current directory, with
-.L .c
-substituted
-for the final
-.L .f
-or
-.LR .F .
-If no Fortran files are named,
-.I f\^2c
-reads Fortran from standard input and
-writes C on standard output.
-.I File
-names that end with
-.L .p
-or
-.L .P
-are taken to be prototype
-files, as produced by option
-.LR -P ,
-and are read first.
-.PP
-The following options have the same meaning as in
-.IR f\^77 (1).
-.TP
-.B -C
-Compile code to check that subscripts are within declared array bounds.
-.TP
-.B -I2
-Render INTEGER and LOGICAL as short,
-INTEGER\(**4 as long int.  Assume the default \fIlibF77\fR
-and \fIlibI77\fR:  allow only INTEGER\(**4 (and no LOGICAL)
-variables in INQUIREs.  Option
-.L -I4
-confirms the default rendering of INTEGER as long int.
-.TP
-.B -onetrip
-Compile DO loops that are performed at least once if reached.
-(Fortran 77 DO loops are not performed at all if the upper limit is smaller than the lower limit.)
-.TP
-.B -U
-Honor the case of variable and external names.  Fortran keywords must be in
-.I
-lower
-case.
-.TP
-.B -u
-Make the default type of a variable `undefined' rather than using the default Fortran rules.
-.TP
-.B -w
-Suppress all warning messages.
-If the option is
-.LR -w66 ,
-only Fortran 66 compatibility warnings are suppressed.
-.PP
-The following options are peculiar to
-.IR f\^2c .
-.TP
-.B -A
-Produce
-.SM ANSI
-C.
-Default is old-style C.
-.TP
-.B -a
-Make local variables automatic rather than static
-unless they appear in a
-.SM "DATA, EQUIVALENCE, NAMELIST,"
-or
-.SM SAVE
-statement.
-.TP
-.B -C++
-Output C++ code.
-.TP
-.B -c
-Include original Fortran source as comments.
-.TP
-.B -E
-Declare uninitialized
-.SM COMMON
-to be
-.B Extern
-(overridably defined in
-.F f2c.h
-as
-.B extern).
-.TP
-.B -ec
-Place uninitialized
-.SM COMMON
-blocks in separate files:
-.B COMMON /ABC/
-appears in file
-.BR abc_com.c .
-Option
-.LR -e1c
-bundles the separate files
-into the output file, with comments that give an unbundling
-.IR sed (1)
-script.
-.TP
-.B -ext
-Complain about
-.IR f\^77 (1)
-extensions.
-.TP
-.B -f
-Assume free-format input: accept text after column 72 and do not
-pad fixed-format lines shorter than 72 characters with blanks.
-.TP
-.B -72
-Treat text appearing after column 72 as an error.
-.TP
-.B -g
-Include original Fortran line numbers in \f(CW#line\fR lines.
-.TP
-.B -h
-Emulate Fortran 66's treatment of Hollerith: try to align character strings on
-word (or, if the option is
-.LR -hd ,
-on double-word) boundaries.
-.TP
-.B -i2
-Similar to
-.BR -I2 ,
-but assume a modified
-.I libF77
-and
-.I libI77
-(compiled with
-.BR -Df\^2c_i2 ),
-so
-.SM INTEGER
-and
-.SM LOGICAL
-variables may be assigned by
-.SM INQUIRE
-and array lengths are stored in short ints.
-.TP
-.B -kr
-Use temporary values to enforce Fortran expression evaluation
-where K&R (first edition) parenthesization rules allow rearrangement.
-If the option is
-.LR -krd ,
-use double precision temporaries even for single-precision operands.
-.TP
-.B -P
-Write a
-.IB file .P
-of ANSI (or C++) prototypes
-for definitions in each input
-.IB file .f
-or
-.IB file .F .
-When reading Fortran from standard input, write prototypes
-at the beginning of standard output.  Option
-.B -Ps
-implies
-.B -P
-and gives exit status 4 if rerunning
-.I f\^2c
-may change prototypes or declarations.
-.TP
-.B -p
-Supply preprocessor definitions to make common-block members
-look like local variables.
-.TP
-.B -R
-Do not promote
-.SM REAL
-functions and operations to
-.SM DOUBLE PRECISION.
-Option
-.L -!R
-confirms the default, which imitates
-.IR f\^77 .
-.TP
-.B -r
-Cast values of REAL functions (including intrinsics) to REAL.
-.TP
-.B -r8
-Promote
-.SM REAL
-to
-.SM DOUBLE PRECISION, COMPLEX
-to
-.SM DOUBLE COMPLEX.
-.TP
-.B -s
-Preserve multidimensional subscripts.
-.TP
-.BI -T dir
-Put temporary files in directory
-.I dir.
-.TP
-.B -w8
-Suppress warnings when
-.SM COMMON
-or
-.SM EQUIVALENCE
-forces odd-word alignment of doubles.
-.TP
-.BI -W n
-Assume
-.I n
-characters/word (default 4)
-when initializing numeric variables with character data.
-.TP
-.B -z
-Do not implicitly recognize
-.SM DOUBLE COMPLEX.
-.TP
-.B -!bs
-Do not recognize \fIb\fRack\fIs\fRlash escapes
-(\e", \e', \e0, \e\e, \eb, \ef, \en, \er, \et, \ev) in character strings.
-.TP
-.B -!c
-Inhibit C output, but produce
-.B -P
-output.
-.TP
-.B -!I
-Reject
-.B include
-statements.
-.TP
-.B -!i8
-Disallow
-.SM INTEGER*8.
-.TP
-.B -!it
-Don't infer types of untyped
-.SM EXTERNAL
-procedures from use as parameters to previously defined or prototyped
-procedures.
-.TP
-.B -!P
-Do not attempt to infer
-.SM ANSI
-or C++
-prototypes from usage.
-.PP
-The resulting C invokes the support routines of
-.IR f\^77 ;
-object code should be loaded by
-.I f\^77
-or with
-.IR ld (1)
-or
-.IR cc (1)
-options
-.BR "-lF77 -lI77 -lm" .
-Calling conventions
-are those of
-.IR f\&77 :
-see the reference below.
-.br
-.SH FILES
-.TP
-.IB file .[fF]
-input file
-.TP
-.B *.c
-output file
-.TP
-.F /usr/include/f2c.h
-header file
-.TP
-.F /usr/lib/libF77.a
-intrinsic function library
-.TP
-.F /usr/lib/libI77.a
-Fortran I/O library
-.TP
-.F /lib/libc.a
-C library, see section 3
-.SH "SEE ALSO"
-S. I. Feldman and
-P. J. Weinberger,
-`A Portable Fortran 77 Compiler',
-\fIUNIX Time Sharing System Programmer's Manual\fR,
-Tenth Edition, Volume 2, AT&T Bell Laboratories, 1990.
-.SH DIAGNOSTICS
-The diagnostics produced by
-.I f\^2c
-are intended to be
-self-explanatory.
-.SH BUGS
-Floating-point constant expressions are simplified in
-the floating-point arithmetic of the machine running
-.IR f\^2c ,
-so they are typically accurate to at most 16 or 17 decimal places.
-.br
-Untypable
-.SM EXTERNAL
-functions are declared
-.BR int .