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Annotation of 43BSDTahoe/ucb/telnet/Source/main.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1988 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 this notice is preserved and that due credit is given
                      7:  * to the University of California at Berkeley. The name of the University
                      8:  * may not be used to endorse or promote products derived from this
                      9:  * software without specific prior written permission. This software
                     10:  * is provided ``as is'' without express or implied warranty.
                     11:  */
                     12: 
                     13: #ifndef lint
                     14: char copyright[] =
                     15: "@(#) Copyright (c) 1988 Regents of the University of California.\n\
                     16:  All rights reserved.\n";
                     17: #endif /* not lint */
                     18: 
                     19: #ifndef lint
                     20: static char sccsid[] = "@(#)main.c     1.6 (Berkeley) 5/15/88";
                     21: #endif /* not lint */
                     22: 
                     23: #include <sys/types.h>
                     24: 
                     25: #include "ring.h"
                     26: 
                     27: #include "externs.h"
                     28: #include "defines.h"
                     29: 
                     30: /*
                     31:  * Initialize variables.
                     32:  */
                     33: 
                     34: void
                     35: tninit()
                     36: {
                     37:     init_terminal();
                     38: 
                     39:     init_network();
                     40:     
                     41:     init_telnet();
                     42: 
                     43:     init_sys();
                     44: 
                     45:     init_3270();
                     46: }
                     47: 
                     48: 
                     49: /*
                     50:  * main.  Parse arguments, invoke the protocol or command parser.
                     51:  */
                     52: 
                     53: 
                     54: void
                     55: main(argc, argv)
                     56:        int argc;
                     57:        char *argv[];
                     58: {
                     59:     tninit();          /* Clear out things */
                     60: 
                     61:     TerminalSaveState();
                     62: 
                     63:     prompt = argv[0];
                     64:     while ((argc > 1) && (argv[1][0] == '-')) {
                     65:        if (!strcmp(argv[1], "-d")) {
                     66:            debug = 1;
                     67:        } else if (!strcmp(argv[1], "-n")) {
                     68:            if ((argc > 1) && (argv[2][0] != '-')) {    /* get file name */
                     69:                NetTrace = fopen(argv[2], "w");
                     70:                argv++;
                     71:                argc--;
                     72:                if (NetTrace == NULL) {
                     73:                    NetTrace = stdout;
                     74:                }
                     75:            }
                     76:        } else {
                     77: #if    defined(TN3270) && defined(unix)
                     78:            if (!strcmp(argv[1], "-t")) {
                     79:                if ((argc > 1) && (argv[2][0] != '-')) { /* get file name */
                     80:                    transcom = tline;
                     81:                    (void) strcpy(transcom, argv[1]);
                     82:                    argv++;
                     83:                    argc--;
                     84:                }
                     85:            } else if (!strcmp(argv[1], "-noasynch")) {
                     86:                noasynch = 1;
                     87:            } else
                     88: #endif /* defined(TN3270) && defined(unix) */
                     89:            if (argv[1][1] != '\0') {
                     90:                fprintf(stderr, "Unknown option *%s*.\n", argv[1]);
                     91:            }
                     92:        }
                     93:        argc--;
                     94:        argv++;
                     95:     }
                     96:     if (argc != 1) {
                     97:        if (setjmp(toplevel) != 0)
                     98:            Exit(0);
                     99:        tn(argc, argv);
                    100:     }
                    101:     setjmp(toplevel);
                    102:     for (;;) {
                    103: #if    !defined(TN3270)
                    104:        command(1);
                    105: #else  /* !defined(TN3270) */
                    106:        if (!shell_active) {
                    107:            command(1);
                    108:        } else {
                    109: #if    defined(TN3270)
                    110:            shell_continue();
                    111: #endif /* defined(TN3270) */
                    112:        }
                    113: #endif /* !defined(TN3270) */
                    114:     }
                    115: }

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