shithub: riscv

ref: dfdc8e3ffc5007378fdcf71071d18cd5fee9b8cb
dir: /sys/src/cmd/unix/drawterm/libc/runestrlen.c/

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

long
runestrlen(Rune *s)
{

	return runestrchr(s, 0) - s;
}