Have to close file descriptors

README.org

@@ -34,6 +34,7 @@ Some programs utilize command-line arguments. Remember, if you ever see =int mai
 - [[https://github.com/Babkock/learning/blob/master/time.c][Time calculator]]
 - [[https://github.com/Babkock/learning/blob/master/sys/shell.c][Simple shell]]
 - [[https://github.com/Babkock/learning/-/blob/master/sys/symlink.c][Symbolic links]]
-- [[https://github.com/Babkock/learning/-/blob/master/bits.c][Bitwise operations]]
-- [[https://github.com/Babkock/learning/-/blob/master/point/bitfield.c][Bit field]]
+- [[https://github.com/Babkock/learning/blob/master/bits.c][Bitwise operations]]
+- [[https://github.com/Babkock/learning/blob/master/point/bitfield.c][Bit field]]
 
+Thanks for checking these out.

network/client.c

@@ -64,15 +64,20 @@ int main(int argc, char **argv) {
 	if ((n = write(sockfd, buffer, strlen(buffer))) < 0) {
 		fprintf(stderr, "Error writing to socket\n");
 		return 4;
+	} else {
+		printf("Wrote %d bytes\n", n);
 	}
 
 	/* now read server response */
 	bzero(buffer, BUF);
 	if ((n = read(sockfd, buffer, BUF-1)) < 0) {
 		fprintf(stderr, "Error reading from socket\n");
-		return 5;
+		return 4;
+	} else {
+		printf("Read %d bytes\n", n);
 	}
 
+	close(sockfd);
 	printf("Your message: %s", buffer);
 	return 0;
 }

network/multiserver.c

@@ -82,6 +82,7 @@ int main(int argc, char *argv[]) {
 		}
 	} /* while (1) */
 
+	close(sockfd);
 	return 0;
 }
 

sys/speak.c

@@ -28,6 +28,7 @@ int main(void) {
 			printf("Speak: Wrote %d bytes\n", num);
 	}
 
+	close(fd);
 	return 0;
 }
 

sys/tick.c

@@ -30,6 +30,7 @@ int main(void) {
 	} while (num > 1);
 	putchar('\n');
 
+	close(fd);
 	return 0;
 }