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

1.1     ! root        1: .ds ZZ DEVELOPMENT PACKAGE
        !             2: .TH RCVCHAR 3R "630 MTG"
        !             3: .XE "rcvchar()"
        !             4: .SH NAME
        !             5: rcvchar \- receive character from host
        !             6: .SH SYNOPSIS
        !             7: .ft B
        !             8: int rcvchar ( )
        !             9: .SH DESCRIPTION
        !            10: The
        !            11: .I rcvchar
        !            12: function
        !            13: returns the next character received from the host.
        !            14: If there are no characters available,
        !            15: .I rcvchar
        !            16: returns -1.
        !            17: .PP
        !            18: Since local programs have no host connection, a call to
        !            19: .I rcvchar
        !            20: by a local program will always return -1.
        !            21: .SH EXAMPLE
        !            22: The following program is a very simple terminal emulator.
        !            23: .PP
        !            24: .RS 3
        !            25: .nf
        !            26: .ft CM
        !            27: #include <dmd.h>
        !            28: 
        !            29: main()
        !            30: {
        !            31:        int c;
        !            32: 
        !            33:        request(RCV);
        !            34:        for(;;) {
        !            35:                wait(RCV);
        !            36:                while( (c=rcvchar()) != -1 )
        !            37:                        lputchar(c);
        !            38:        }
        !            39: }
        !            40: \fR
        !            41: .fi
        !            42: .RE
        !            43: .SH SEE ALSO
        !            44: local(3R), resources(3R), sendchar(3R).

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