- Added simple function "getopt" in stdlib (tcc)

git-svn-id: svn://kolibrios.org@8380 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/ktcc/trunk/samples/getopt_ex.c

@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <getopt.h>
+#include <stdlib.h>
+
+void main(int argc, char *argv[]) {
+    int c;
+    if(argc<2)
+    {
+        puts("Usage: getopt_ex [options]\n");
+        puts("-a        Show 'Option a'");
+        puts("-B        Show 'Option B'");
+        puts("-n [num]  Show 'num'");
+    }
+    while ((c = getopt(argc, argv, "aBn:")) != EOF) {
+        switch (c) {
+             case 'a':
+                 puts("Option 'a'");
+                 break;
+
+             case 'B':
+                 puts("Option 'B'");
+                 break;
+
+             case 'n':
+                 printf("Option n: value=%d\n", atoi(optarg));
+                 break;
+
+             case '?':
+                 printf("ERROR: illegal option %s\n", argv[optind-1]);
+                 exit(0);
+
+             default:
+                 printf("WARNING: no handler for option %c\n", c);
+                 exit(0);
+         }
+     }
+     exit(0);
+ }