ref: 4c1fa073c7d7fff3c4e21717fcb0ad81a9ab3cf7 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; }