ref: 47d5080818787c8614404ee0241a5858a69b8e2e
dir: /libc/runestrecpy.c/
#include <u.h> #include <libc.h> Rune* runestrecpy(Rune *s1, Rune *es1, Rune *s2) { if(s1 >= es1) return s1; while(*s1++ = *s2++){ if(s1 == es1){ *--s1 = '\0'; break; } } return s1; }