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Annotation of 43BSDReno/lib/libcurses/initscr.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1981 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)initscr.c  5.5 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: # include      "curses.ext"
        !            25: # include      <signal.h>
        !            26: 
        !            27: extern char    *getenv();
        !            28: 
        !            29: /*
        !            30:  *     This routine initializes the current and standard screen.
        !            31:  *
        !            32:  */
        !            33: WINDOW *
        !            34: initscr() {
        !            35: 
        !            36:        reg char        *sp;
        !            37:        int             tstp();
        !            38: 
        !            39: # ifdef DEBUG
        !            40:        fprintf(outf, "INITSCR()\n");
        !            41: # endif
        !            42:        if (My_term)
        !            43:                setterm(Def_term);
        !            44:        else {
        !            45:                gettmode();
        !            46:                if ((sp = getenv("TERM")) == NULL)
        !            47:                        sp = Def_term;
        !            48:                setterm(sp);
        !            49: # ifdef DEBUG
        !            50:                fprintf(outf, "INITSCR: term = %s\n", sp);
        !            51: # endif
        !            52:        }
        !            53:        _puts(TI);
        !            54:        _puts(VS);
        !            55: # ifdef SIGTSTP
        !            56:        signal(SIGTSTP, tstp);
        !            57: # endif
        !            58:        if (curscr != NULL) {
        !            59: # ifdef DEBUG
        !            60:                fprintf(outf, "INITSCR: curscr = 0%o\n", curscr);
        !            61: # endif
        !            62:                delwin(curscr);
        !            63:        }
        !            64: # ifdef DEBUG
        !            65:        fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS);
        !            66: # endif
        !            67:        if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
        !            68:                return ERR;
        !            69:        clearok(curscr, TRUE);
        !            70:        curscr->_flags &= ~_FULLLINE;
        !            71:        if (stdscr != NULL) {
        !            72: # ifdef DEBUG
        !            73:                fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr);
        !            74: # endif
        !            75:                delwin(stdscr);
        !            76:        }
        !            77:        stdscr = newwin(LINES, COLS, 0, 0);
        !            78:        return stdscr;
        !            79: }

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