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Annotation of researchv10no/ncurses/screen/def_shell.c, revision 1.1.1.1

1.1       root        1: /*     @(#) def_shell.c: 1.1 10/15/83  (1.36   3/18/83)        */
                      2: 
                      3: #include "curses.h"
                      4: #include "term.h"
                      5: 
                      6: extern struct term *cur_term;
                      7: 
                      8: 
                      9: /*
                     10:  * Getting the baud rate is different on the two systems.
                     11:  * In either case, a baud rate of 0 hangs up the phone.
                     12:  * Since things are often initialized to 0, getting the phone
                     13:  * hung up on you is a common result of a bug in your program.
                     14:  * This is not very friendly, so if the baud rate is 0, we
                     15:  * assume we're doing a reset_xx_mode with no def_xx_mode, and
                     16:  * just don't do anything.
                     17:  */
                     18: #ifdef USG
                     19: #define BR(x) (cur_term->x.c_cflag&CBAUD)
                     20: #else
                     21: #define BR(x) (cur_term->x.sg_ispeed)
                     22: #endif
                     23: 
                     24: def_shell_mode()
                     25: {
                     26: #ifdef USG
                     27:        ioctl(cur_term -> Filedes, TCGETA, &(cur_term->Ottyb));
                     28: #else
                     29:        ioctl(cur_term -> Filedes, TIOCGETP, &(cur_term->Ottyb));
                     30: #endif
                     31:        /* This is a useful default for Nttyb, too */
                     32:        if (BR(Nttyb) == 0)
                     33:                cur_term -> Nttyb = cur_term -> Ottyb;
                     34: }

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