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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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1 line
638 B
C
1 line
638 B
C
/* -*-c,save-*- */
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#include <stdio.h>
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main()
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{static char line1[128],line2[128];
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register char *l1,*l2,*p;
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register int which, c;
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which = 0;
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p = l1 = &line1[0];
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l2 = &line2[0];
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while ((c=getchar()) != EOF) {
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if (c != '\n') *p++ = c;
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else {
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*p++ = '\0';
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switch (which) {
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case 0: {
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printf("%s\n",l1);
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p = l2;
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l2 = l1;
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l1 = p;
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which = 1;
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break;
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}
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case 1: {
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if (strcmp(l1,l2) != 0) {
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printf("%s\n",l1);
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p = l2;
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l2 = l1;
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l1 = p;
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}
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else p = l1;
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break;
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}
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}
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}
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}
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}
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eturn(cmp);
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}
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