摘要：
1. 新建C文件mfloat.c #include <stdio.h> int main(void) { double a,b,c; a = 23.5436; b = 323.2348; c = b/a; printf("the result = %f\n", c); printf("hello w 阅读全文
摘要：
fatal error: openssl/bio.h: No such file or directory#include <openssl/bio.h> 出现如上问题，安装libssl-dev 包sudo apt-get install libssl-dev 阅读全文