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Annotation of researchv10no/libcurses/initscr.c, revision 1.1.1.1

1.1       root        1: # include      "curses.ext"
                      2: # include      <signal.h>
                      3: 
                      4: extern char    *getenv();
                      5: 
                      6: /*
                      7:  *     This routine initializes the current and standard screen.
                      8:  *
                      9:  * 3/5/81 (Berkeley) @(#)initscr.c     1.2
                     10:  */
                     11: WINDOW *
                     12: initscr() {
                     13: 
                     14:        reg char        *sp;
                     15:        int             tstp();
                     16: 
                     17: # ifdef DEBUG
                     18:        fprintf(outf, "INITSCR()\n");
                     19: # endif
                     20:        if (!My_term && isatty(2)) {
                     21:                _tty_ch = 2;
                     22:                gettmode();
                     23:                if ((sp = getenv("TERM")) == NULL)
                     24:                        sp = Def_term;
                     25:                setterm(sp);
                     26: # ifdef DEBUG
                     27:                fprintf(outf, "INITSCR: term = %s\n", sp);
                     28: # endif
                     29:        }
                     30:        else
                     31:                setterm(Def_term);
                     32:        _puts(TI);
                     33:        _puts(VS);
                     34: # ifdef SIGTSTP
                     35:        signal(SIGTSTP, tstp);
                     36: # endif
                     37:        if (curscr != NULL) {
                     38: # ifdef DEBUG
                     39:                fprintf(outf, "INITSCR: curscr = 0%o\n", curscr);
                     40: # endif
                     41:                delwin(curscr);
                     42:        }
                     43: # ifdef DEBUG
                     44:        fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS);
                     45: # endif
                     46:        if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
                     47:                return ERR;
                     48:        curscr->_clear = TRUE;
                     49:        if (stdscr != NULL) {
                     50: # ifdef DEBUG
                     51:                fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr);
                     52: # endif
                     53:                delwin(stdscr);
                     54:        }
                     55:        stdscr = newwin(LINES, COLS, 0, 0);
                     56:        return stdscr;
                     57: }

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