ex07_22.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

/* ex07_22.c */
/* what does this program do? */
#include <stdio.h>

int mystery2( const char *s ); /* prototype */

int main( void )
{
   char string[ 80 ]; /* create char array */

   printf( "Enter a string: ");
   scanf( "%s", string ); 

   printf( "%d\n", mystery2( string ) );

   return 0; /* indicates successful termination */

} /* end main */

/* What does this function do? */
int mystery2( const char *s ) 
{
   int x; /* counter */

   /* loop through string */
   for ( x = 0; *s != '\0'; s++ ) {
      x++;
   } /* end for */

   return x;

} /* end function mystery2 */



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