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WebSVN – planix.SVN – Blame – /os/branches/feature_posix/sys/src/liblex/allprint.c – Rev 2

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#include	"/sys/src/cmd/lex/ldefs.h"
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#include	<stdio.h>
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extern	FILE*	yyout;
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int
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printable(int c)
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{
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	return 040 < c && c < 0177;
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}
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void
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allprint(int c)
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{
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	switch(c) {
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	case '\n':
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		fprintf(yyout,"\\n");
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		break;
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	case '\t':
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		fprintf(yyout,"\\t");
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		break;
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	case '\b':
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		fprintf(yyout,"\\b");
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		break;
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	case ' ':
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		fprintf(yyout,"\\\bb");
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		break;
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	default:
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		if(!printable(c))
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			fprintf(yyout,"\\%-3o",c);
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		else
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			c = putc(c,yyout);
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			USED(c);
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		break;
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	}
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	return;
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}