关于字符串转换函数用法案例

/*
字符串转换函数的使用和区别：
>库函数：stdlib.h
>函数原型:
double strtod( const char *nPtr, char **endPtr );
long strtil( const char *nPtr, char **endPtr, int base );
unsigned long strtoul( const char *nPtr, char **endPtr, int base );


时间:Dec 29,2017 12:38
*/

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

int main()
{
 //***关于函数strtod
 /*
 const char *string1 = "12.52 hahah";
 char *string2;

 double d = strtod( string1, &string2 );

 puts(string1);
 printf("%lf\n", d);
 puts(string2);
 */
 //***关于函数strtol
 /*
 const char *s1 = "1214 hehehe";
 char *s2;

 long l = strtol( s1, &s2, 0);

 puts(s1);
 printf("%x\n", l);
 printf("%o\n", l);
 printf("%ld\n", l);
 puts(s2);
 */

 const char *s1 = "1213 huhuhu";
 char *s2;

 unsigned long ul = strtoul( s1, &s2, 0 );

 puts(s1);
 printf("%uld\n", ul);
 puts(s2);


 return 0;

}