ref: 004f6f57af8b5bbc2ff07b0f8fce148ba4c1c24d dir: /libnpe/rename.c/
#include <unistd.h> int rename(char *old, char *new) { Dir d; nulldir(&d); d.name = new; return dirwstat(old, &d) > 0 ? 0 : -1; }