ref: 396ff35e7d8f1d9b2283a4cd18836194fed1c630 dir: /libnpe/getenv.c/
#include <unistd.h> #undef getenv char * getenv9(char *s) { static char *e; free(e); e = getenv(strcmp(s, "HOME") == 0 ? "home" : s); return e; }