ref: fdf8af5e94a2989d1b3c94aa5c9f43139d2f56c6
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;
}