git: 9front

ref: c3cbece4bef1e3a9bd5e8b5bed6a89ce327d4e92
dir: /sys/src/libc/port/runestrchr.c/

View raw version 
#include <u.h>
#include <libc.h>

Rune*
runestrchr(Rune *s, Rune c)
{
	Rune c0 = c;
	Rune c1;

	if(c == 0) {
		while(*s++)
			;
		return s-1;
	}

	while(c1 = *s++)
		if(c1 == c0)
			return s-1;
	return 0;
}