git: drawterm

ref: 19fc221351f4f1d159a7a5e2b6ea0d3bd2973bf3
dir: /libc/runestrrchr.c/

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#include <u.h>
#include <libc.h>

Rune*
runestrrchr(Rune *s, Rune c)
{
	Rune *r;

	if(c == 0)
		return runestrchr(s, 0);
	r = 0;
	while(s = runestrchr(s, c))
		r = s++;
	return r;
}