C语言break语句

#include <stdio.h>

int main () {

   /* local variable definition */
   int a = 10;

   /* while loop execution */
   while( a < 20 ) {

      printf("value of a: %d/n", a);
      a++;

      if( a > 15) {
         /* terminate the loop using break statement */
         break;
      }

   }

   return 0;
}