wukaihua119/printBin.c

Created August 29, 2020 12:20

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wukaihua119 created this gist Aug 29, 2020.

printBin.c

-Original file line number
+Diff line change
@@ -0,0 +1,9 @@
+    // using mask to convert the integer to binary.
+    void printBin( int num ){
+        int mask = 1 << 7; // 10000000
+        for( int i = 0; i < 8; ++i ){
+            printf( "%d", ((( num & mask ) == 0 )? 0:1) );
+            mask >>= 1;
+        }
+        printf( "\n" );
+    }