ref: 1d563ec8e9a5a485597a9f9c24d1f5a698f2c8a3
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;
}