char* fgets( char* str, int count, FILE* stream ); (C99 前) char* fgets( char* restrict str, int count, FILE* restrict stream ); (C99 起) 从给定文件流读取最多 count - 1 个字符并将它们存储于 str 所指向的字符数组。若文件尾出现或发现换行符则终止分析,后一情况下 str 将包含一个...
std::map<int,std::string>m;std::mutexmx;externboolshared_flag;// 由 mx 保护intdemo(){if(autoit=m.find(10);it!=m.end())returnit->second.size();if(charbuf[10];std::fgets(buf,10,stdin))m[0]+=buf;if(std::lock_guardlock(mx);shared_flag){unsafe_ping();shared_flag=false;}if...
fclose std::fclose From cppreference.com <cpp |io |c Defined in header<cstdio> intfclose(std::FILE*stream); Closes the given file stream. Any unwritten buffered data are flushed to the OS. Any unread buffered data are discarded....
(function) fputws writes a wide string to a file stream (function) fgets gets a character string from a file stream (function) C documentation for fputs Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/io/c/fputs&oldid=145271" Navigation...
fgets 从文件流获取一个字符串(函数) printffprintfsprintfsnprintfprintf_sfprintf_ssprintf_ssnprintf_s(C99)(C11)(C11)(C11)(C11) 打印格式化输出到 stdout 、文件流或缓冲区(函数) scanf, fscanf, sscanf 的 C++ 文档 收藏0 分享到微信 分享到QQ 分享到微博 ...
7.19.8.1 The fread function (p: 301) C89/C90 standard (ISO/IEC 9899:1990): 4.9.8.1 The fread function 参阅 scanffscanfsscanfscanf_sfscanf_ssscanf_s(C11)(C11)(C11) 从stdin、文件流或缓冲区读取格式化输入(函数) fgets 从文件流获取一个字符串(函数) fwrite 写入到文件(函数) fread 的 C++ 文...
(FILE*stream);char*fgets(char*s,intn, FILE*stream);intfputc(intc, FILE*stream);intfputs(constchar*s, FILE*stream);intgetc(FILE*stream);intgetchar();intputc(intc, FILE*stream);intputchar(intc);intputs(constchar*s);intungetc(intc, FILE*stream);size_t fread(void*ptr, size_t size,...
gets()函数不进行边界检查,从而此函数对缓冲区溢出攻击极度脆弱。无法安全使用它(除非程序运行的环境限定能出现在stdin上的内容)。因此,此函数在 C99 的第三次勘误中被弃用,而在 C11 标准发布时被移除。推荐的替代品是fgets()和gets_s()。 警告:绝对不要用gets()。
FILE fpos_t Functions File access fopenfopen_s (C11) freopenfreopen_s (C11) fwide (C95) setbuf setvbuf fclose fflush Direct input/output fread fwrite Unformatted input/output fgetc fgets fputc fputs getchar getsgets_s (until C11)(C11) ...
fpos_t stdinstdoutstderr Functions File access fopenfopen_s (C11) freopenfreopen_s (C11) fwide (C95) setbuf setvbuf fclose fflush Direct input/output fread fwrite Unformatted input/output fgetc fgets fputc fputs getchar getsgets_s (until C11)(C11) ...