ref: 3da0a627971a5ec4ca5c8253dbb798df56c5ddcb dir: /sys/src/ape/lib/ap/gen/strcpy.c/
#include <string.h> #define N 10000 char* strcpy(char *s1, const char *s2) { char *os1; os1 = s1; while(!memccpy(s1, s2, 0, N)) { s1 += N; s2 += N; } return os1; }