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Write formatted data to string. Composes a string with the same text that would be printed if format was used on printf, but instead of being printed, the content is stored as a C string in the buffer pointed by str. The size of the buffer should be large enough to contain the entire resulting string (see snprintf for a safer version) Over Sprintf. Sprintf is een vennootschap die sinds 1998 actief is. Alle deelnemende partners werken samen vanuit een gemeenschappelijke belangstelling: Informatie & Communicatietechnologie. Met een grote technische bagage ondersteunen zij de ICT-component in de bedrijfsvoering van klanten Here's a clean, working version of functions to allow using named arguments instead of numeric ones. ex: instead of sprintf('%1$s', 'Joe');, we can use sprintf('%name$s', array('name' => 'Joe'));. I've provided 2 different versions: the first uses the php-like syntax (ex: %name$s), while the second uses the python syntax (ex: %(name)s) The sprintf () Function. The C library function sprintf () is used to store formatted data as a string. You can also say the sprintf () function is used to create strings as output using formatted data. The syntax of the sprintf () function is as follows sprintf stands for String print. Instead of printing on console, it store output on char buffer which are specified in sprintf

sprintf - C++ Referenc

  1. The first value sprintf() expects is a character buffer - this is where the formatted string will be stored. The second value in sprintf() is the string you want to format, with any format specifiers. The final arguments are the values you want to replace the format specifiers with
  2. The sprintf () function writes a formatted string to a variable. The arg1, arg2, ++ parameters will be inserted at percent (%) signs in the main string. This function works step-by-step. At the first % sign, arg1 is inserted, at the second % sign, arg2 is inserted, etc
  3. swprintf is a wide-character version of sprintf; the pointer arguments to swprintf are wide-character strings. Detection of encoding errors in swprintf may differ from sprintf . swprintf and fwprintf behave identically except swprintf writes output to a string rather than to a destination of type FILE , and swprintf requires the count parameter to specify the maximum number of characters to write
  4. The sprintf function is similar to fprintf, but fprintf prints to a file or to the Command Window. Format specifiers for the reading functions sscanf and fscanf differ from the formats for the writing functions sprintf and fprintf. The reading functions do not support a precision field
  5. sprintf(buf, %s some further text, buf); to append text to buf. However, the standards explicitly note that the results are undefined if source and destination buffers overlap when calling sprintf(), snprintf(), vsprintf(), and vsnprintf()
  6. sprintf(s, %d, 123); //把整数123打印成一个字符串保存在s中 sprintf(s, %8x, 4567); //小写16进制,宽度占8个位置,右对齐 sprintf的作用是将一个格式化的字符串输出到一个目的字符串中,而printf是将一个格式化的字符串输出到屏幕
  7. The sprintf() Function in C; The sprintf() Function in C. Last updated on July 27, 2020 The sprintf() works just like printf() but instead of sending output to console it returns the formatted string. Syntax: int sprintf(char *str, const char *control_string, [ arg_1, arg_2, ]); The first argument to sprintf() function is a pointer to the target string

Over Sprint

  1. The sprintf() function writes the string pointed to by format to buffer. The string format may contain format specifiers starting with % which are replaced by the values of variables that are passed to the sprintf() function as additional arguments. It is defined in <cstdio> header file. sprintf() Parameter
  2. sprintf (dst, %s and %s, dst, t); // <- broken: undefined behavior POSIX specifies that errno is set on error. It also specifies additional conversion specifications, most notably support for argument reordering ( n$ immediately after % indicates n 'th argument
  3. 그렇습니다~~! sprintf는 출력하는 결과 값을 변수에 저장하게 해주는 기능이 있어요. 저는 그래서 'string = printf'의 줄임말이 sprintf이다 라고 생각을 하고 있습니다. printf가 출력하는 함수라면 sprintf는 출력값을 문자열에 저장하는 함수인거죠ㅎㅎ

PHP: sprintf - Manua

C言語におけるsprintf関数の使い方を解説します。 sprintf関数を使うことで、様々な変数に保管された情報を1つの文字列に結合することができます。 この関数を知らないと無駄なプログラムを作ることになるのでしっかりと学びましょう The sprintf_s function formats and stores a series of characters and values in buffer. Each argument (if any) is converted and output according to the corresponding format specification in format. The format consists of ordinary characters and has the same form and function as the format argument for printf sprintf() 格式化输出函数(图形)功能: 函数sprintf()用来作格式化的输出。 用法: 此函数调用方式为int sprintf(char *string,char *format,arg_list);说 明: 函数sprintf()的用法和printf()函数一样,只是sprintf()函数给出第一个参数string(一般为字符数组),然后再调用 outtextxy()函

Sprintf C : Understanding How the sprintf () Function

  1. g language is using the sprintf function to declare argument and constructor elements
  2. Unlike sprintf, you just pass a string to buf.write, formatting it with the % operator or the format method of strings. You could of course define a function to get the sprintf interface you're hoping for: def sprintf(buf, fmt, *args): buf.write(fmt % args) which would be used like this
  3. g language.. Let's move straight to the example

sprintf() in C - GeeksforGeek

  1. 51. →. Metadata. Dart implementation of sprintf. Provides simple printf like formatting such as sprintf (hello %s, [world]); More... Readme
  2. g language, it is a file handling function that is used to send formatted output to the string. Instead of printing on console, sprintf () function stores the output on char buffer that is specified in sprintf
  3. # sprintf FORMAT, LIST Returns a string formatted by the usual printf conventions of the C library function sprintf . See below for more details and see sprintf(3) or printf(3) on your system for an explanation of the general principles
  4. C庫函數int sprintf(char *str, const char *format,)發送str 指向一個字符串的格式化輸出。 聲明 以下是 sprintf() 函數的聲明。 int sprintf ( char * str , const char * format ,) 參數 str-- 這是C字符串
  5. C 库函数 - sprintf() C 标准库 - <stdio.h> 描述. C 库函数 int sprintf(char *str, const char *format,) 发送格式化输出到 str 所指向的字符串。 声明. 下面是 sprintf() 函数的声明。 int sprintf(char *str, const char *format,) 参数. str-- 这是指向一个字符数组的指针,该数组存储了 C 字符串

sprintf() with Arduino Print multiple variables to the

The sprintf function converts, formats, and stores its value parameters, under control of the format parameter. The format parameter is a character string that contains two types of objects: Literal characters. which are copied to the output stream. Conversion specification sprintf$() Syntax. string sprintf$( string format(.) [, expression,] ) Description. This formats a string and returns the formatted string. The format argument contains zero or more ordinary characters and substitution symbols. The ordinary characters are copied directly to the output string sprintf(*args) public. Returns the string resulting from applying format_string to any additional arguments. Within the format string, any characters other than format sequences are copied to the result. The syntax of a format sequence is follows. % [flags] [width] [.precision]type From your question it seems like you are using C99, as you have used %lf for double. To achieve the desired output replace: sprintf (aa, %lf, a); with. sprintf (aa, %0.7f, a); The general syntax %A.B means to use B digits after decimal point. The meaning of the A is more complicated, but can be read about here

Don't expect sprintf (or any other function with varargs) to automatically cast anything. The compiler doesn't try to read the format string and do the cast for you; at runtime, sprintf has no meta-information available to determine what is on the stack;. 그렇습니다~~! sprintf는 출력하는 결과 값을 변수에 저장하게 해주는 기능이 있어요. 저는 그래서 'string = printf'의 줄임말이 sprintf이다 라고 생각을 하고 있습니다. printf가 출력하는 함수라면 sprintf는 출력값을 문자열에 저장하는 함수인거죠ㅎㅎ. 해당 함수로 인해. Quick access to functions. print or println printf options printf sprintf write Macro F. How to open the serial port in the Arduino code? Before being able to send messages on the serial port, it is necessary to initialize the communication with the command Serial.begin(speed) AWOL: Because it isn't implemented. Actually it is implemented in the AVR gcc toolset. It is just that the sprintf() provided by default in the AVR libc.a does not have floating point support (to keep things smaller) and the Arduino IDE does not allow setting the needed linker options to to use the floating point version Bottom line, sprintf won't work with floating point variables because it's hasn't been enabled in the compiler. b system September 3, 2009, 6:07a

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. The sprintf function formats a series of strings and numeric values and stores the resulting string in buffer. This function is similar to the printf routine, but it stores the formatted output in buffer rather than sending it to the output stream. The fmtstr argument is a pointer to a format string which has the same form and function as the printf function's format string sprintf() function in Perl uses Format provided by the user to return the formatted string with the use of the values in the list. This function is identical to printf but it returns the formatted string instead of printing it. Syntax: sprintf Format, List Returns: a formatted scalar string Example 1

PHP sprintf() Function - W3School

Using dtostrf function A better solution is to use the dtostrf function. It it is more flexible and works well also with negative numbers. These two lines of code will write a string into the buffer with strcpy function and the append the float value using the dtostrf function. strcpy(str, String value using dtostrf: ); dtostrf(f, 2, 2, &str[strlen(str)]) sprintf-js runs in all active Node versions (4.x+). Browser. sprintf-js should work in all modern browsers. As of v1.1.1, you might need polyfills for the following: String.prototype.repeat() (any IE) Array.isArray() (IE < 9) Object.create() (IE < 9) YMMV. License. sprintf-js is licensed under the terms of the 3-clause BSD license. Note

sprintf, _sprintf_l, swprintf, _swprintf_l, __swprintf_l

sprintf() does not in itself send the string to an output device. sprintf() always returns a value, which is the formatted string. You can store the string in a variable for later use. If you do not have a semi-colon on the end of the line, then as usual for MATLAB it will helpfully display the last returne value (in this case the formatted string) in the ans = format Sprintf | 14 volgers op LinkedIn. Sprintf is a company that has been active since 1998. All participating partners work together motivated by a mutual interest: information & communication technology. Equipped with a wide spectrum of significant technical expertise, they provide customers with support relating to the ICT aspects of their business

snprintf vs sprintf. snprintf is extremely similar to sprintf, which can be found on the same manpage. After all, the names of the functions only differ by the character 'n'! This is actually a pretty common convention in C: the function with the 'n' will require an upper bound or maximum size as an argument printf places output on the standard output stream stdout. fprintf places output on the named output stream. sprintf places output, followed by the null character (\0) in consecutive bytes starting at * s; it is the user's responsibility to ensure that enough storage is available. Each function returns the number of characters transmitted. Remarks. The sprintf function behaves like its ANSI C language namesake with these exceptions and extensions.. If you use sprintf to convert a MATLAB double into an integer, and the double contains a value that cannot be represented as an integer (for example, it contains a fraction), MATLAB ignores the specified conversion and outputs the value in exponential format sprintf. January 16, 2012 26 Comments. I notice that lots of arduino fans are not coming from a C programming background. Even the C++ people may not know such a neat C feature, the sprintf function. I use it so often in my codes and libraries thus it demands a small introduction. The following is a link to the sprintf function (I'll be.

sprintf 是个变参函数。使用sprintf 对于写入buffer的字符数是没有限制的,这就存在了buffer溢出的可能性。解决这个问题,可以考虑使用 snprintf函数,该函数可对写入字符数做出限制 sprintf函数的格式:int sprintf( char *buffer, const char *format [, argument,...] );除了前两个参数固定外,可选参数可以是任意个。buffer是字符数组名;format是格式化字符串常用方式sprintf函数的功能与printf函数的功能基本一样,只是它把结果输出到指定的字符串中了,看个例子就明白了:例:将test 1.. sprintf I discovered this guy a while back but realized it's value in pasting recently. Much of my work on the reports ( Rinker, 2013 ) package requires that I pieces together lots of chunks of url and insert user specific pieces printf format string refers to a control parameter used by a class of functions in the input/output libraries of C and many other programming languages.The string is written in a simple template language: characters are usually copied literally into the function's output, but format specifiers, which start with a % character, indicate the location and method to translate a piece of data (such. Hi, I am trying to assign a subset of fields to a variable using awk sprintf , but it seems to behave differently than printf (although the manua

The sprintf() function places output, followed by the null byte (\0), in consecutive bytes starting at s; it is the user's responsibility to ensure that enough storage is available. The snprintf() function is identical to sprintf() with the addition of the argument n, which specifies the size of the buffer referred to by s C++ sprintf. Sprintf function in C++ similar to printf function except with one difference. Instead of writing the output to standard output stdout, sprintf writes the output to a character string buffer. Function Prototype: int sprintf (char* buffer, const char* format, ) Parameters H ow do I use sprintf() function in a perl script under Linux or UNIX? Perl printf() function is used to format and print data on screen. You need to use sprintf() to print or store formatted data/string to a variable or to a string. Perl does its own sprintf formatting-it emulates the C function sprintf, but it doesn't use it (except for floating-point numbers, and even then only the.

sprintf 的格式控制串中既然可以插入各种东西,并最终把它们连成一串,自然也就能够连接字符串,从而在许多场合可以替代strcat,但sprintf 能够一次连接多个字符串(自然也可以同时在它们中间插入别的内容,总之非常灵活)。. 比如:. 1 char *buf [ 60]; 2 char. sprintf() in Arduino code. GitHub Gist: instantly share code, notes, and snippets Groovy: Formatted printing with printf and sprintf; Groovy System properties; Groovy path to current executable script; Groovy Exception handling (try, catch, Exception) Groovy throw (raise) exception; Groovy casting; Printing Unicode characters from Groovy; Groovy: import standard libraries; Groovy iterate over map key str = sprintf('%d',int8(n)) When you call fprintf with an integer format specifier, the type of the integer argument must be a type that the target hardware can represent as a native C type. For example, if you call fprintf('%d', int64(n)) , then the target hardware must have a native C type that supports a 64-bit integer The '%' sign is picked up by sprintf. A correction for this translation has already been submitted and is waiting for approval from the French translation approver guy on WordPress.org. On your installation you can fix this for yourself. A plugin like Loco Translate can help you with managing the translations. Cheers, Andra

sprintf関数を使用すると書式指定した文字列を作成することができます。数値の左側を0で埋めて出力したい場合や、浮動小数点の少数の桁数を指定したい場合などに、sprintf関数を使うと便利です Java 'sprintf': assigning a formatted String to another String. If it helps to see the format method used without the additional log.debug method, here's an example where I use the String.format method to assign a similarly formatted String to another String: String status = String.format (The rename status is (%d), RENAME_SUCCEEDED) qrintf - sprintf accelerator. The sprintf (3) family is a great set of functions for stringifying various kinds of data. The drawback is that they are slow. In certain applications, more than 10% of CPU time is consumed by the functions. The reason why it is slow is because it parses the given format at run-time Introduction to the functions fprintf(), sprintf() and input(

sprintf関数 文字列操作6. 文字列を数値に変換するには、atoi関数やstrtol関数を使用すると説明しました。 (文字を数値に変換参照)では、その逆はどうすればよいのでしょうか このことは sprintf() の場合だけでなく printf() の場合も同様です。 各変換指定子は、パーセント記号 (%) の後に これらの要素が一つ以上続いたものになります。 オプションの符号指定子 c/c++ sprintf, snprintf 함수 sprintf라는 출력함수가 있습니다. 이 함수는 printf와 비슷하게 사용되지만, 다른점은 printf는 모니터 화면에 입력한 문자열이 출력된다면, sprintf는 버퍼로 사용될 변수로 출력. This applies to both sprintf () and printf () . An optional sign specifier that forces a sign (- or +) to be used on a number. By default, only the - sign is used on a number if it's negative. This specifier forces positive numbers to have the + sign attached as well, and was added in PHP 4.3.0 : sprintf (template, ) This is like printf, except that the output is returned as a string.. Unlike the C library function, which requires you to provide a suitably sized string as an argument, Octave's sprintf function returns the string, automatically sized to hold all of the items converted.. Implementation Note: For compatibility with MATLAB, escape sequences in the template string (e.

SPRINTF(3P) POSIX Programmer's Manual SPRINTF(3P) PROLOG top This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux It can be in the following way. 1) 1234.123456789 (total of 14 chars ) or it can be. 2) 123456789.1234 ( total 14 chars ) or it can be. 3) 123456.1234567 ( total 14 chars ) It should be 14chars length (scalar & precision will vary). In this case how I should have it in sprintf. Oct 7 '07 # 6 sprintf does not handle single precision float parameters. Accordingly, real number format types (e, f, g) process 64-bit (double) arguments, so always specify Double for the f0, f1 parameters (never float) Nope, you are converting an array of int into a string containing. a hex representation. You probably want to convert the array of. int into an array of strings which each contain the hex number. int i, Iarray [8], n=15; char buf [9]; sprintf (buf, 0x%02x, n); The above code worked Mar 2, 2010. Today I lost several hours to solve a strange bug. In short, formatting with sprintf or snprintf resulted in a totally broken string. The same, done with the _P version works perfectly. This is nonsense for me, but maybe someone can give me a hint. 1) it's not a memory problem

Video: Format data into string or character vector - MATLAB sprint

Free source code and tutorials for Software developers and Architects.; Updated: 5 Aug 201 According to the documentation, QString::sprintf has the format as the first argument, not as the second one. Reply Quote 0. 1 Reply Last reply . Alicemirror last edited by . Hi, I think that you should see on the Qt documentation for the api that create formatted strings sprintf allows you to format the fields as you output them - something you can't do with print without adding additional processing. oddz September 3, 2014, 2:26pm #

sprintf(3): formatted output conversion - Linux man pag

  1. snprintf.c - a portable implementation of snprintf, including vsnprintf.c, asnprintf, vasnprintf, asprintf, vasprintf. snprintf is a routine to convert numeric and string arguments to formatted strings. It is similar to sprintf(3) provided in a system's C library, yet it requires an additional argument - the buffer size - and it guarantees never to store anything beyond the given buffer.
  2. : sprintf (template, ) This is like printf, except that the output is returned as a string. Unlike the C library function, which requires you to provide a suitably sized string as an argument, Octave's sprintf function returns the string, automatically sized to hold all of the items converted
  3. sprintf or disp. Learn more about sprintf . Select a Web Site. Choose a web site to get translated content where available and see local events and offers
sprintfよりRubyらしく書けるフォーマット文字列メソッド「Strings#%」|TechRacho(テック

C语言sprintf()函数:将格式化的数据写入字符串_C语言中文

When trying to print floating point numbers of type float using sprintf () or printf () functions in an AVR 8-bit C program using Atmel Studio 7, the number does not print correctly. Instead of the float being printed to a string or standard output, a question mark is printed. flt_num = ? The reason that floating point numbers are not printed. sprintf('%d',x) prints out exponential... Learn more about sprintf decimal notation conversion MATLA The sprintf () is an in-built function of PHP which writes a formatted string to a variable. It returns a formatted string. PHP 4 and above versions support sprintf () function. The sprintf () function is similar to the printf () function, but the only difference between both of them is that sprint () saves the output into a string instead of.

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The sprintf() Function in C - C Programming Tutorial

Sprint Library. void sprintf ( char *wh, const code char *f,...); The function returns the number of characters actually written to destination string. sprintf is used to format data and print them into destination string. Parameters : The f argument is a format string and may be composed of characters, escape sequences, and format specifications sprintf('%s', '100%') The % are only eaten if they occur in the first parameter, the format position. 0 Comments. Show Hide -1 older comments. Sign in to comment. Sign in to answer this question. See Also. Categories MATLAB > Language Fundamentals > Data Types > Characters and Strings. Tags No tags entered yet Hi, I have a silly question regarding QString::sprintf. It is not a static function, so I need to call it on an instance of QString, but this instance does not appear to be used at all, causing me to have to create dummy variables all the time, like this:..

C++ sprintf() - C++ Standard Library - Programi

The sprintf function returns the number of characters stored in the array s, not including the terminating null character. The behavior of this function is undefined if copying takes place between objects that overlap—for example, if s is also given as an argument to be printed under control of the '%s' conversion ldbl_strong_alias (__sprintf, sprintf) 37: ldbl_strong_alias (__sprintf, _IO_sprintf) 38: Generated on 2019-Mar-30 from project glibc revision glibc-2.29.9000-166-g656dd306d4 Powered by Code Browser 2.1 Generator usage only permitted with license.. sprintf returns character(0). Not an error, not 'v=', just an empty string with no indication that something is wrong. As hideous as the paste functions are, they are least return something sensible in all cases. If you use sprintf you will silently lose data and be completely unaware that it has happened パラメータ. format. フォーマット文字列は 0 個以上のディレクティブ(指示子) により構成されます。ディレクティブには、そのまま結果にコピーされる (% を除く) 通常の文字と変換指定子 (conversion specifications) があり、 取り出される際はどちらもそれ自身がパラメータとなります sprintf 的格式控制串中既然可以插入各种东西,并最终把它们连成一串,自然也就能够连接字符串,从而在许多场合可以替代strcat,但sprintf 能够一次连接多个字符串(自然也可以同时在它们中间插入别的内容,总之非常灵活)。. 比如:. 1 char *buf [ 60]; 2 char.

printf, fprintf, sprintf, snprintf, printf_s, fprintf_s

swprintf_s() and sprintf_s() are additions to VC++8, and were supposedly written to tolerate formatting errors and to avoid buffer overruns. They differ from their corresponding non-safe cousins swprintf() and sprintf() by taking an extra argument (the 2nd parameter), which is the size of the buffer passed as the first argument. The prototype for swprintf_s() is Ecriture avec mise en forme printf ou sprintf La fonction d'écriture sur l'unité de sortie standard (en principe l'écran du poste de travail) avec conversion et mise en forme des données est : printf( format , expr1 , expr2 , exprn ) format est une chaîne qui joue un rôle particulier

[C/C++언어]sprintf 함수와 fprintf 함수 사용법, 원하는 출력을 다양한 서식으로 구성하고

sprintf post processor sprintf post processor for i18next. interval plurals interval based plurals like. One Item, A few items, A lot of items i18next-react-postprocessor embed React elements inside your i18next translation strings i18next-korean-postposition-processor i18next post-processor for processing korean postpositio Description. This section describes a number of utility functions for creating, duplicating, and manipulating strings. Note that the functions g_printf(), g_fprintf(), g_sprintf(), g_vprintf(), g_vfprintf(), g_vsprintf() and g_vasprintf() are declared in the header gprintf.h which is not included in glib.h (otherwise using glib.h would drag in stdio.h), so you'll have to explicitly include. sprintf(string,%f,num);string是一个字符串,num是你要的数字,这样就能将浮点数num转成字符串string了,你那个写法是错的,后面还有对指针进 QString makes a deep copy of the QChar data, so you can modify it later without experiencing side effects. (If for performance reasons you don't want to take a deep copy of the character data, use QString::fromRawData() instead.). Another approach is to set the size of the string using resize() and to initialize the data character per character. QString uses 0-based indexes, just like C++ arrays

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C言語 sprintfの使い方【複数の変数から文字列を作り出す方法

sprintf_s, _sprintf_s_l, swprintf_s, _swprintf_s_l

BUGS Because sprintf() and vsprintf() assume an arbitrarily long string, callers must be careful not to overflow the actual space; this is often impossible to assure. Note that the length of the strings produced is locale-dependent and difficult to predict. Use snprintf() and vsnprintf. sprintf_s は、sprintf と同等のものですが、s および format が NULL ポインタにならないよう実行時制約が追加されています。 それ以外に、 format に含まれる %s 形式指定子それぞれに対して NULL ではない引数が存在すること、 format 内で %n 指定子が使われないこと、という制約もあります C语言sprintf()函数:格式化输出到字符串中; 43. C语言sscanf()函数:执行从字符串中的格式化输入 <stdlib.h>头文件 1. C语言abort()函数:写一个终止信息到stderr; 2. C语言atexit()函数:用于注册终止; 3. C语言atof()函数:将字符串转换为浮点值; 4 Arduinoで文字列に変換する関数sprintfを使用する場合のフォーマット指定子一覧の解説と浮動小数点の扱い方(Arduinoでは浮動小数点の指定子が使えません)の紹介記事です。その他にも文字列に変換するときの0詰め方法についても解説しています Thanks again Jeremy. Checking the return values showed me some of the problems. Now it is somewhat working. If I type in Teraterm the number of characters specified in the uart read then the UART_EVENT_RX_COMPLETE case in the callback runs. But the UART_EVENT_RX_CHAR case seems to not work most of the time (oddly will run occasionally, haven't figured out why just occasionally.

sprintf函数用法详解_欧阳海宾-CSDN博客_sprintf函数用法详

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Copia de cadenas en array de caracteres en C++ - Código Fácil

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