git: 9front

ref: c76d670dbdb5e13e5a410ce27e7cd39e8f57a10d
dir: /sys/src/libc/port/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;
}