fig06_14.c

C程序设计经典教程第5版程序示例,比较适合初级c语言的学生

/* Fig. 6.14: fig06_14.c
   Demonstrating the const type qualifier with arrays */
#include <stdio.h>

void tryToModifyArray( const int b[] ); /* function prototype */

/* function main begins program execution */
int main( void )
{
   int a[] = { 10, 20, 30 }; /* initialize a */

   tryToModifyArray( a );

   printf("%d %d %d\n", a[ 0 ], a[ 1 ], a[ 2 ] );
   
   return 0; /* indicates successful termination */

} /* end main */

/* in function tryToModifyArray, array b is const, so it cannot be
   used to modify the original array a in main. */
void tryToModifyArray( const int b[] )
{
   b[ 0 ] /= 2;    /* error */
   b[ 1 ] /= 2;    /* error */
   b[ 2 ] /= 2;    /* error */
} /* end function tryToModifyArray */


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