C库函数 - strtoul()

#include <stdio.h>

#include <stdlib.h>



int main () {

   char str[30] = "2030300 This is test";

   char *ptr;

   long ret;



   ret = strtoul(str, &ptr, 10);

   printf("The number(unsigned long integer) is %lu\n", ret);

   printf("String part is |%s|", ptr);



   return(0);

}