Plan 9 from Bell Labs’s /usr/web/sources/contrib/quanstro/src/runetype/unfold.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#include "runeunfold.c"

#include <bio.h>

void
unfold(Biobuf *b, char *re)
{
	Rune r, r0, *s;

	for(; *re != 0; ){
		if(*re == '\\'){
			Bputc(b, '\\');
			if(re[1] == 0)
				break;
		}
		re += chartorune(&r, re);
		r0 = tobaserune(r);
		if(s = equivrune(r0))
			Bprint(b, "%S", s);
		else
			Bputrune(b, r);
	}
}

void
usage(void)
{
	fprint(2, "usage: unfoldre\n");
	exits("usage");
}

void
main(int argc, char **argv)
{
	int i;
	Biobuf b;

	ARGBEGIN{
	default:
		usage();
	}ARGEND
	Binit(&b, 1, OWRITE);
	for(i = 0; i < argc; i++)
		unfold(&b, argv[i]);
	Bterm(&b);
	exits("");
}

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