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https://github.com/GnoConsortium/gno.git
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784e3de7cd
passwd, ps, purge, shutdown, stty, upper, and vi. These sources are for the versions of the utils shipped with GNO v2.0.4.
303 lines
6.5 KiB
C
303 lines
6.5 KiB
C
/*
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* stty.c
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*
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* Set terminal parameters
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*/
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#pragma stacksize 1280
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#pragma optimize 9
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <gno/gno.h>
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#include <unistd.h>
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typedef struct opts {
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char *name;
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int item;
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} opts_s;
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/* B0 - B57600 are defined before these others */
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#define LCRTERA_ON 16
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#define LCRTERA_OFF 17
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#define LCTLECH_ON 18
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#define LCTLECH_OFF 19
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#define CRMOD_ON 20
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#define CRMOD_OFF 21
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#define ECHO_ON 22
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#define ECHO_OFF 23
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#define RAW_ON 24
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#define RAW_OFF 25
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#define CBREAK_ON 26
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#define CBREAK_OFF 27
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#define SUSP_C 28
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#define STOP_C 29
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#define START_C 30
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#define QUIT_C 31
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#define ERASE_C 32
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#define INTR_C 33
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#define EOF_C 34
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char *baudtbl[] = {
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"0",
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"50",
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"75",
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"110",
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"134.5",
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"150",
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"57600",
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"300",
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"600",
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"1200",
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"1800",
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"2400",
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"4800",
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"9600",
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"19200",
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"38400"};
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opts_s options[] = {
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"75", B75,
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"110", B110,
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"134", B134,
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"150", B150,
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"300", B300,
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"600", B600,
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"1200", B1200,
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"1800", B1800,
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"2400", B2400,
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"4800", B4800,
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"9600", B9600,
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"19200", B19200,
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"38400", B38400,
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"57600", B57600,
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"lcrtera", LCRTERA_ON,
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"-lcrtera", LCRTERA_OFF,
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"lctlech", LCTLECH_ON,
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"-lctlech", LCTLECH_OFF,
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"crmod", CRMOD_ON,
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"-crmod", CRMOD_OFF,
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"echo", ECHO_ON,
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"-echo", ECHO_OFF,
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"raw", RAW_ON,
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"-raw", RAW_OFF,
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"cbreak", CBREAK_ON,
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"-cbreak", CBREAK_OFF,
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"susp", SUSP_C,
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"stop", STOP_C,
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"start", START_C,
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"quit", QUIT_C,
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"erase", ERASE_C,
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"intr", INTR_C,
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"eof", EOF_C,
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"", 0
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};
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int lookup(char *s)
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{
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int i;
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for (i = 0; options[i].item; i++) {
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if (!strcmp(options[i].name,s)) return (options[i].item);
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}
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return 0;
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}
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void usage(void)
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{
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fprintf(stderr,"usage: stty [ option ]...\n"
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"\toption: [-]raw,[-]echo,[-]cbreak,[baud]\n"
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"\toption c: intr, susp, stop, start, eof, erase\n"
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"\t\twhere c is ^X or \\0OCTAL or \\xHEX\n");
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exit(1);
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}
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char parsechar(char *s)
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{
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int x;
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if (s[0] == '^') {
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if (strlen(s) != 2) usage();
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if (s[1] == '?') return 0x7f;
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else return toupper(s[1])-64;
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}
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else if (s[0] == '\\') {
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if (isdigit(s[1]) && (s[0] != 0))
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sscanf(s+1,"%d",&x);
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else if (toupper(s[1]) == 'X')
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sscanf(s+2,"%x",&x);
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else if (s[1] == '0')
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sscanf(s+1,"%o",&x);
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else usage();
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printf("char: %d\n",x);
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return x;
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}
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if (strlen(s) != 1) usage();
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return s[0];
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}
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struct sgttyb sg;
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struct tchars tc;
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struct ltchars ltc;
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struct winsize wz;
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long localmode;
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char *dash[] = {"","-"};
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char *doctrl(char c)
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{
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static char ss[3] = " ";
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if (c == 0x7F) {
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ss[0] = '^';
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ss[1] = '?';
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}
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else if (c < 32) {
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ss[0] = '^';
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ss[1] = c + '@';
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}
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else {
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ss[0] = c;
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ss[1] = ' ';
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}
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return ss;
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}
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void printCurSettings(void)
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{
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printf("old tty, speed %s baud, %d rows, %d columns\n",
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baudtbl[sg.sg_ispeed & 0xF],wz.ws_row,wz.ws_col);
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printf("%seven %sodd %sraw %snl %secho %slcase %standem %stabs %scbreak\n",
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dash[(sg.sg_flags & EVENP) == 0],
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dash[(sg.sg_flags & ODDP) == 0],
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dash[(sg.sg_flags & RAW) == 0],
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dash[(sg.sg_flags & NLDELAY) == 0],
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dash[(sg.sg_flags & ECHO) == 0],
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dash[(sg.sg_flags & LCASE) == 0],
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dash[(sg.sg_flags & TANDEM) == 0],
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dash[(sg.sg_flags & XTABS) == 0],
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dash[(sg.sg_flags & CBREAK) == 0]);
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printf("%stilde %sflusho %slitout %spass8 %snohang\n",
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dash[(localmode & LTILDE) == 0],
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dash[(localmode & LFLUSHO) == 0],
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dash[(localmode & LLITOUT) == 0],
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dash[(localmode & LPASS8) == 0],
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dash[(localmode & LNOHANG) == 0]);
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printf("%spendin %snoflsh\n",
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dash[(localmode & LPENDIN) == 0],
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dash[(localmode & LNOFLSH) == 0]);
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printf("erase kill werase rprnt flush lnext susp intr quit stop eof\n");
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printf("%-7s",doctrl(sg.sg_erase));
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printf("%-7s",doctrl(sg.sg_kill));
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printf("%-7s",doctrl(ltc.t_werasc));
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printf("%-7s",doctrl(ltc.t_rprntc));
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printf("%-7s",doctrl(ltc.t_flushc));
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printf("%-7s",doctrl(ltc.t_lnextc));
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printf("%2s",doctrl(ltc.t_suspc));
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printf("/%2s ",doctrl(ltc.t_dsuspc));
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printf("%-7s",doctrl(tc.t_intrc));
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printf("%-7s",doctrl(tc.t_quitc));
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printf("%2s",doctrl(tc.t_stopc));
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printf("/%2s ",doctrl(tc.t_startc));
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printf("%-7s\n",doctrl(tc.t_eofc));
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}
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int main(int argc, char *argv[])
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{
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int i,item;
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ioctl(STDIN_FILENO,TIOCGETP,&sg);
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ioctl(STDIN_FILENO,TIOCGETC,&tc);
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ioctl(STDIN_FILENO,TIOCGLTC,<c);
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ioctl(STDIN_FILENO,TIOCLGET,&localmode);
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ioctl(STDIN_FILENO,TIOCGWINSZ,&wz);
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if (argc < 2) {
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printCurSettings();
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exit(0);
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}
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for (i = 1; i < argc;) {
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switch (item = lookup(argv[i])) {
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case INTR_C:
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tc.t_intrc = parsechar(argv[i+1]);
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i++;
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break;
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case SUSP_C:
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ltc.t_suspc = parsechar(argv[i+1]);
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i++;
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break;
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case STOP_C:
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tc.t_stopc = parsechar(argv[i+1]);
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i++;
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break;
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case START_C:
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tc.t_startc = parsechar(argv[i+1]);
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i++;
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break;
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case QUIT_C:
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tc.t_quitc = parsechar(argv[i+1]);
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i++;
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break;
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case ERASE_C:
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sg.sg_erase = parsechar(argv[i+1]);
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i++;
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break;
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case EOF_C:
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tc.t_eofc = parsechar(argv[i+1]);
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i++;
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break;
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case ECHO_ON:
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sg.sg_flags |= ECHO;
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break;
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case ECHO_OFF:
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sg.sg_flags &= ~ECHO;
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break;
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case RAW_OFF:
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sg.sg_flags &= ~RAW;
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break;
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case RAW_ON:
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sg.sg_flags |= RAW;
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break;
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case CBREAK_OFF:
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sg.sg_flags &= ~CBREAK;
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break;
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case CBREAK_ON:
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sg.sg_flags |= CBREAK;
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break;
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case CRMOD_OFF:
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sg.sg_flags &= ~CRMOD;
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break;
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case CRMOD_ON:
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sg.sg_flags |= CRMOD;
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break;
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case LCTLECH_ON:
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localmode |= LCTLECH;
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break;
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case LCTLECH_OFF:
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localmode &= ~LCTLECH;
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break;
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case LCRTERA_ON:
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localmode |= LCRTERA;
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break;
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case LCRTERA_OFF:
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localmode &= ~LCRTERA;
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break;
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default:
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if ((item != 0) && (item <= B38400)) {
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sg.sg_ispeed = item;
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sg.sg_ospeed = item;
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} else usage();
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break;
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}
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i++;
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}
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ioctl(STDIN_FILENO,TIOCSETP,&sg);
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ioctl(STDIN_FILENO,TIOCSETC,&tc);
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ioctl(STDIN_FILENO,TIOCSLTC,<c);
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ioctl(STDIN_FILENO,TIOCLSET,&localmode);
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}
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