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/* * ASCII */ static int ascii_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) { unsigned char c = *s; if (c < 0x80) { *pwc = (ucs4_t) c; return 1; } return RET_ILSEQ; } static int ascii_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) { if (wc < 0x0080) { *r = wc; return 1; } return RET_ILSEQ; }