本文共 202 字,大约阅读时间需要 1 分钟。
轉載自
You can use an asterisk (*
) to pass the width specifier/precision to , rather than hard coding it into the format string, i.e.
void f(const char *str, int str_len){ printf("%.*s\n", str_len, str);}
转载地址:http://rhsgi.baihongyu.com/