add directory study

study/linux-travel/MINIX-1.5/1.5/Source/amoeba/examples/server1.c

@@ -0,0 +1,44 @@
+#include <amoeba.h>
+#include "header.h"
+
+char buffer[BUF_SIZE];
+
+main(argc, argv)
+int argc;
+char *argv[];
+{
+  unshort getreq(), putrep();
+
+  header hdr;
+  int cnt, i, iterations = 0;
+
+  if (argc != 2) {
+	printf("Usage: server1 portname\n");
+	exit(1);
+  }
+
+  strncpy( (char *) &hdr.h_port, argv[1], PORTSIZE);  /* init port */
+
+  while (1) {
+
+	/* Wait for a request to arrive. */
+	if ((cnt = (short) getreq(&hdr, buffer, BUF_SIZE)) < 0) {
+	    printf("Server's getreq failed. Error = %d.   ", cnt);
+	    printf("Hit F1 to see if AMTASK running.\n");
+	    exit(1);
+	}
+	
+	/* Opcode QUIT indicates that we are done. */
+	if (hdr.h_command == QUIT) {
+		putrep(&hdr, buffer, 0);
+		exit(0);
+	}
+
+	/* We have a request. Increment each byte. */
+	for (i = 0; i < cnt; i++) buffer[i]++;
+
+	/* Send back reply. */
+	hdr.h_status = 0;
+	putrep(&hdr, buffer, cnt);
+  }
+}