Darley Barreto
26 lines
438 B
C
26 lines
438 B
C
#include <wchar.h>
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#include <wctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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int main()
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{
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FILE *stream;
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wint_t wc;
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wint_t wc2;
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if (NULL == (stream = fopen("wchar/ungetwc.in", "r+")))
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return 1;
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while (WEOF != (wc = fgetwc(stream)) && iswdigit(wc)) {}
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if (WEOF != wc)
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ungetwc(wc, stream);
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wc2 = fgetwc(stream);
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assert(WEOF != wc2);
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assert(wc == wc2);
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return 0;
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} |