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Annotation of researchv10no/cmd/f2c/f2c.1b, revision 1.1

1.1     ! root        1: . \" Definitions of L and LR for the benefit of systems
        !             2: . \" whose -man lacks them...
        !             3: .de L
        !             4: .nh
        !             5: .if n \%`\\$1'
        !             6: .if t \%\&\f(CW\\$1\fR
        !             7: .hy 14
        !             8: ..
        !             9: .de LR
        !            10: .nh
        !            11: .if n \%`\\$1'\\$2
        !            12: .if t \%\&\f(CW\\$1\fR\\$2
        !            13: .hy 14
        !            14: ..
        !            15: .TH F2C 1
        !            16: .CT 1 prog_other
        !            17: .SH NAME
        !            18: f\^2c \(mi Convert Fortran 77 to C or C++
        !            19: .SH SYNOPSIS
        !            20: .B f\^2c
        !            21: [
        !            22: .I option ...
        !            23: ]
        !            24: .I file ...
        !            25: .SH DESCRIPTION
        !            26: .I F2c
        !            27: converts Fortran 77 source code in
        !            28: .I files
        !            29: with names ending in
        !            30: .L .f
        !            31: or
        !            32: .L .F
        !            33: to C (or C++) source files in the
        !            34: current directory, with
        !            35: .L .c
        !            36: substituted
        !            37: for the final
        !            38: .L .f
        !            39: or
        !            40: .LR .F .
        !            41: If no Fortran files are named, 
        !            42: .I f\^2c
        !            43: reads Fortran from standard input and
        !            44: writes C on standard output.
        !            45: .I File
        !            46: names that end with
        !            47: .L .p
        !            48: or
        !            49: .L .P
        !            50: are taken to be prototype
        !            51: files, as produced by option
        !            52: .LR -P ,
        !            53: and are read first.
        !            54: .PP
        !            55: The options are
        !            56: .HP
        !            57: .BR -w ,
        !            58: .BR -w66 ,
        !            59: .BR -onetrip ,
        !            60: .BR -u ,
        !            61: .BR -C ,
        !            62: .BR -I2 ,
        !            63: .B -I4 
        !            64: (default),
        !            65: .BR -U
        !            66: .br
        !            67: Same as in 
        !            68: .IR f\^77 (1).
        !            69: .PD0
        !            70: .TP
        !            71: .B -A
        !            72: Produce
        !            73: .SM ANSI
        !            74: C.
        !            75: Default is old-style C.
        !            76: .TP
        !            77: .B -a
        !            78: Make local variables automatic rather than static
        !            79: unless they appear in a 
        !            80: .SM "DATA, EQUIVALENCE, NAMELIST,"
        !            81: or
        !            82: .SM SAVE
        !            83: statement.
        !            84: .TP
        !            85: .B -C++
        !            86: Output C++ code.
        !            87: .TP
        !            88: .B -c
        !            89: Include original Fortran source as comments.
        !            90: .TP
        !            91: .B -E
        !            92: Declare uninitialized
        !            93: .SM COMMON 
        !            94: to be
        !            95: .B Extern
        !            96: (overridably defined in
        !            97: .F f2c.h
        !            98: as
        !            99: .B extern).
        !           100: .TP
        !           101: .B -ec
        !           102: Place uninitialized 
        !           103: .SM COMMON
        !           104: blocks in separate files:
        !           105: .B COMMON /ABC/
        !           106: appears in file
        !           107: .BR abc_com.c .
        !           108: Option 
        !           109: .LR -e1c 
        !           110: bundles the separate files 
        !           111: into the output file, with comments that give an unbundling
        !           112: .IR sed (1)
        !           113: script.
        !           114: .TP
        !           115: .B -ext
        !           116: Complain about
        !           117: .IR f\^77 (1)
        !           118: extensions.
        !           119: .TP
        !           120: .B -g
        !           121: Include original Fortran line numbers as comments.
        !           122: .TP
        !           123: .B -i2
        !           124: Similar to
        !           125: .BR -I2 ,
        !           126: but assume a modified
        !           127: .I libF77
        !           128: and
        !           129: .I libI77
        !           130: (compiled with 
        !           131: .BR -Df\^2c_i2 ),
        !           132: so
        !           133: .SM INTEGER
        !           134: and
        !           135: .SM LOGICAL
        !           136: variables may be assigned by
        !           137: .SM INQUIRE.
        !           138: .TP
        !           139: .B -P
        !           140: Write a 
        !           141: .IB file .P
        !           142: of ANSI (or C++) prototypes
        !           143: for procedures defined in each input 
        !           144: .IB file .f
        !           145: or
        !           146: .IB file .F .
        !           147: When reading Fortran from standard input, write prototypes
        !           148: at the beginning of standard output.
        !           149: Implies
        !           150: .B -A
        !           151: unless option
        !           152: .L -C++
        !           153: is present.  Option
        !           154: .B -Ps
        !           155: implies
        !           156: .B -P
        !           157: and gives exit status 4 if rerunning
        !           158: .I f\^2c
        !           159: may change prototypes or declarations.
        !           160: .TP
        !           161: .B -p
        !           162: Supply preprocessor definitions to make common-block members 
        !           163: look like local variables.
        !           164: .TP
        !           165: .B -R
        !           166: Do not promote
        !           167: .SM REAL
        !           168: functions and operations to
        !           169: .SM DOUBLE PRECISION.
        !           170: Option
        !           171: .L -!R
        !           172: confirms the default, which imitates
        !           173: .IR f\^77 .
        !           174: .TP
        !           175: .B -r8
        !           176: Promote
        !           177: .SM REAL
        !           178: to
        !           179: .SM DOUBLE PRECISION, COMPLEX
        !           180: to
        !           181: .SM DOUBLE COMPLEX.
        !           182: .TP
        !           183: .BI -T dir
        !           184: Put temporary files in directory 
        !           185: .I dir.
        !           186: .TP
        !           187: .B -w8
        !           188: Suppress warnings when
        !           189: .SM COMMON
        !           190: or
        !           191: .SM EQUIVALENCE
        !           192: forces odd-word alignment of doubles.
        !           193: .TP
        !           194: .BI -W n
        !           195: Assume
        !           196: .I n
        !           197: characters/word (default 4)
        !           198: when initializing numeric variables with character data.
        !           199: .TP
        !           200: .B -z
        !           201: Do not implicitly recognize
        !           202: .SM DOUBLE COMPLEX.
        !           203: .TP
        !           204: .B -!c
        !           205: Inhibit C output, but produce 
        !           206: .B -P
        !           207: output.
        !           208: .TP
        !           209: .B -!I
        !           210: Reject
        !           211: .B include
        !           212: statements.
        !           213: .TP
        !           214: .B -!it
        !           215: Do not infer return types of untyped
        !           216: .SM EXTERNAL
        !           217: procedures from use as arguments.
        !           218: .TP
        !           219: .B -!P
        !           220: Do not infer
        !           221: .SM ANSI
        !           222: or C++
        !           223: prototypes from usage.
        !           224: .PD
        !           225: .PP
        !           226: The resulting C invokes the support routines of
        !           227: .IR f\^77 ;
        !           228: object code should be loaded by
        !           229: .I f\^77
        !           230: or with 
        !           231: .IR ld (1)
        !           232: or
        !           233: .IR cc (1)
        !           234: options
        !           235: .BR "-lF77 -lI77 -lm" .
        !           236: .SH FILES
        !           237: .F /usr/include/f2c.h
        !           238: .br
        !           239: Other files as in
        !           240: .IR f\^77 (1).
        !           241: .SH "SEE ALSO"
        !           242: S. I. Feldman and
        !           243: P. J. Weinberger,
        !           244: `A Portable Fortran 77 Compiler',
        !           245: this manual, Volume 2.
        !           246: .SH BUGS
        !           247: Floating-point constant expressions are 
        !           248: accurate to at most 16 or 17 decimal places.
        !           249: . ".br
        !           250: . "Untypable
        !           251: . ".SM EXTERNAL
        !           252: . "functions are declared 
        !           253: . ".BR int .

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