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.\" $NetBSD: unvis.3,v 1.27 2012/12/15 07:34:36 wiz Exp $ |
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.\" $FreeBSD: release/9.2.0/contrib/libc-vis/unvis.3 249560 2013-04-16 19:27:09Z brooks $ |
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.\" $NetBSD: unvis.3,v 1.29 2017/10/24 19:14:55 abhinav Exp $ |
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.\" $FreeBSD: stable/10/contrib/libc-vis/unvis.3 326324 2017-11-28 17:20:53Z brooks $ |
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.\" |
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.\" Copyright (c) 1989, 1991, 1993 |
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.\" The Regents of the University of California. All rights reserved. |
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.Os |
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.Sh NAME |
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.Nm unvis , |
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.Nm strunvis |
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.Nm strunvis , |
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.Nm strnunvis , |
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.Nm strunvisx , |
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.Nm strnunvisx |
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.Nd decode a visual representation of characters |
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.Sh LIBRARY |
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.Lb libc |
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|
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while ((ch = getchar()) != EOF) { |
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again: |
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switch(unvis(\*[Am]out, ch, \*[Am]state, 0)) { |
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switch(unvis(&out, ch, &state, 0)) { |
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case 0: |
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case UNVIS_NOCHAR: |
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break; |
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errx(EXIT_FAILURE, "Bad character sequence!"); |
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} |
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} |
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if (unvis(\*[Am]out, '\e0', \*[Am]state, UNVIS_END) == UNVIS_VALID) |
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if (unvis(&out, '\e0', &state, UNVIS_END) == UNVIS_VALID) |
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(void)putchar(out); |
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.Ed |
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.Sh ERRORS |
