#include stdio.h#include stdlib.h#include string.hint main () {long val;char str[20];

编程学习网为您整理以下代码实例，主要实现：C语言库atol()函数，希望可以帮到各位朋友。

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main () {
   long val;
   char str[20];

   strcpy(str, "98993489");
   val = atol(str);
   printf("String value = %s, Long value = %ld\n", str, val);

   strcpy(str, "yiibai.com");
   val = atol(str);
   printf("String value = %s, Long value = %ld\n", str, val);

   return(0);
}