23 lines
311 B
C
23 lines
311 B
C
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#include <stdio.h>
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int main()
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{
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;
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}
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/* this handles EOF as wall */
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int buffc = -1;
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char getch()
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{
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char temp;
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return (buffc < 0) ? getchar() : (temp = buffc, buffc = -1, temp);
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}
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void ungetch(int c)
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{
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if (buffc >= 0)
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printf("warning: overriding character buffer\n");
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buffc = c;
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}
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