Diff: clubbing.cpp

Revision:

2:45b351b4fc2a

Child:

3:1196befeace0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clubbing.cpp	Sun Apr 05 12:56:41 2020 +0000
@@ -0,0 +1,49 @@
+#include "clubbing.h"
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+
+int test_num( char *s )
+{
+  int m=strlen(s), n=0, i;
+    for( i=0; i<m; i++)
+        if( isdigit(s[i]) ) n++; 
+    if(i==n) return 1;
+    return 0;
+}
+
+int test_ip( char *s )
+{
+   char str[16];
+    strncpy( str, s, 16);
+
+    
+    int d = strlen(str);
+    
+    if( d < 7)  return 0;
+    else
+    {
+        int k=0;
+        for( int i=0; i<d; i++)
+            if( str[i] == '.' )  k++;
+        if(k != 3 ) { return 0; }
+        k=0;
+        char *token;
+        token = strtok(str, ".");
+        while( token != NULL ) 
+        {
+            if( test_num(token) )  k++;
+            token = strtok(NULL, ".");
+        }
+        if(k==4) return 1;
+        else     return 0;
+
+    }
+    
+}
+