git: 9front

ref: ac4840116ef15e2fc65d0e68f7e16d3a8a1aa2f8
dir: /sys/src/cmd/unix/drawterm/libc/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;
}