ref: 9f77ec48bf63083912cbcb5ef50e5561ebb3c578
dir: /sys/src/ape/lib/ap/stdio/rename.c/
/* * pANS stdio -- rename */ #include "iolib.h" int rename(const char *old, const char *new){ if(link((char *)old, (char *)new)<0) return -1; if(unlink((char *)old)<0){ unlink((char *)new); return -1; } return 0; }