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- #include <wctype.h>
- /* Consider all legal codepoints as printable except for:
- * - C0 and C1 control characters
- * - U+2028 and U+2029 (line/para break)
- * - U+FFF9 through U+FFFB (interlinear annotation controls)
- * The following code is optimized heavily to make hot paths for the
- * expected printable characters. */
- int iswprint(wint_t wc)
- {
- if (wc < 0xffU)
- return (wc+1 & 0x7f) >= 0x21;
- if (wc < 0x2028U || wc-0x202aU < 0xd800-0x202a || wc-0xe000U < 0xfff9-0xe000)
- return 1;
- if (wc-0xfffcU > 0x10ffff-0xfffc || (wc&0xfffe)==0xfffe)
- return 0;
- return 1;
- }
- int __iswprint_l(wint_t c, locale_t l)
- {
- return iswprint(c);
- }
- weak_alias(__iswprint_l, iswprint_l);
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