no_recur.c

C_C++程序员实用大全（精华版）源代码 代码详实 一步一步深入 适合各阶段程序员的使用

#include <stdio.h>
#include <time.h>

int string_length(const char *str)
 {
   int length = 0;
   
   while (*str++)
     length++;

   return(length);
 }

void main(void)
 {
   long int counter;

   time_t start_time, end_time;

   time(&start_time);

   for (counter = 0; counter < 10000000L; counter++)
     string_length("Jamsa\'s C/C++/C# Programmer\'s Bible");

   time(&end_time);

   printf("Processing time %d\n", end_time - start_time);
 }