158 	char *new_str;  in realloc_strncat()  local
166 	new_str = malloc(old_len + len + 1);  in realloc_strncat()
167 	if (new_str == NULL)  in realloc_strncat()
170 		memcpy(new_str, *str, old_len);  in realloc_strncat()
171 	memcpy(new_str + old_len, append, len);  in realloc_strncat()
172 	new_str[old_len + len] = '\0';  in realloc_strncat()
174 	*str = new_str;  in realloc_strncat()
180 	char *new_str;  in realloc_strcat()  local
188 	new_str = malloc(old_len + strlen(append) + 1);  in realloc_strcat()
189 	if (new_str == NULL)  in realloc_strcat()
192 		memcpy(new_str, *str, old_len);  in realloc_strcat()
193 	strcpy(new_str + old_len, append);  in realloc_strcat()
195 	*str = new_str;  in realloc_strcat()