ref: b9745c60a1bf2a3876e411d38c67a0980d70e3a3
dir: /sys/src/cmd/python/Python/strdup.c/
/* strdup() replacement (from stdwin, if you must know) */ #include "pgenheaders.h" char * strdup(const char *str) { if (str != NULL) { register char *copy = malloc(strlen(str) + 1); if (copy != NULL) return strcpy(copy, str); } return NULL; }