crm_malloc(buffer, sizeof(char)*(len+1));
crm_malloc0(buffer, sizeof(char)*(len+1));
crm_itoa(int an_int){	int len = 32;	char *buffer = NULL;		crm_malloc(buffer, sizeof(char)*(len+1));	if(buffer != NULL) {		snprintf(buffer, len, "%d", an_int);	}		return buffer;}