29 lines
450 B
C
29 lines
450 B
C
#include <wchar.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <reent.h>
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#include <string.h>
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wint_t
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btowc (int c)
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{
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mbstate_t mbs;
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int retval = 0;
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wchar_t pwc;
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unsigned char b;
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b = (unsigned char)c;
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/* Put mbs in initial state. */
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memset (&mbs, '\0', sizeof (mbs));
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_REENT_CHECK_MISC(_REENT);
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retval = _mbtowc_r (_REENT, &pwc, &b, 1, &mbs);
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if (c == EOF || retval != 1)
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return WEOF;
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else
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return (wint_t)pwc;
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}
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