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Annotation of researchv10dc/630/man/src/p_man/man3/psendchar.3r, revision 1.1

1.1     ! root        1: .nr Hy 0
        !             2: .nh
        !             3: .ds ZZ DEVELOPMENT PACKAGE
        !             4: .TH PSENDCHAR 3R "630 MTG"
        !             5: .XE "psendchar()"
        !             6: .XE "psendnchars()"
        !             7: .XE "xpsendchar()"
        !             8: .XE "xpsendnchars()"
        !             9: .SH NAME
        !            10: psendchar, psendnchars, xpsendchar, xpsendnchars \- send character to printer port
        !            11: .SH SYNOPSIS
        !            12: .ft B
        !            13: int psendchar (c)
        !            14: .sp
        !            15: int xpsendchar (c)
        !            16: .sp
        !            17: void psendnchars (n, s)
        !            18: .sp
        !            19: void xpsendnchars (n, s)
        !            20: .sp
        !            21: char c;
        !            22: .br
        !            23: int n;
        !            24: .br
        !            25: char \(**s;
        !            26: .SH DESCRIPTION
        !            27: The
        !            28: .I psendchar
        !            29: function
        !            30: sends a single byte to the printer output queue.
        !            31: If the calling process does not own the printer,
        !            32: .I psendchar
        !            33: will send nothing to the printer and returns a 0.
        !            34: Otherwise, 
        !            35: .I psendchar
        !            36: initiates printing
        !            37: and returns a 1.
        !            38: .PP
        !            39: The
        !            40: .I xpsendchar
        !            41: function is identical to
        !            42: .I psendchar
        !            43: except that it may expand tabs and filter escape sequences
        !            44: depending on the printer's setup values.
        !            45: .PP
        !            46: The
        !            47: .I psendnchars
        !            48: and
        !            49: .I xpsendnchars
        !            50: functions send the string
        !            51: .I s
        !            52: of length
        !            53: .I n
        !            54: to the printer.
        !            55: \f2Xpsenchars\f1 handles expanding tabs and filtering escape sequences.
        !            56: These routines block until all the characters fit on the printer output
        !            57: queue.
        !            58: .PP
        !            59: If the printer output queue is full, the above functions will
        !            60: block the
        !            61: .br
        !            62: calling process until they are able to place the data into 
        !            63: the printer queue.
        !            64: 
        !            65: .SH SEE ALSO
        !            66: resources(3R).

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