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Annotation of 3BSD/cmd/gets.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: 
        !             3: /*
        !             4:  * gets [ default ]
        !             5:  *
        !             6:  *      read a line from standard input, echoing to std output
        !             7:  *      if an error occurs just return "default"
        !             8:  *      if no default and error exit abnormally
        !             9:  */
        !            10: main(argc, argv)
        !            11:        int argc;
        !            12:        char *argv[];
        !            13: {
        !            14:        char buf[BUFSIZ];
        !            15:        
        !            16:        if (gets(buf) == NULL || buf[0] < ' ') {
        !            17:                if (argc == 1)
        !            18:                        exit(1);
        !            19:                strcpy(buf,argv[1]);
        !            20:        }
        !            21:        printf("%s\n", buf);
        !            22:        exit(0);
        !            23: }

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