std::fputs(3)

💖 NAME 💖

okay bestie, welcome to std::fputs(3) from the C++ Standard Libary manual — yes, that's the manual name, and yes, the typo is part of the lore 💀. The name section is literally std::fputs — std::fputs, which is giving "I said what I said" energy 💅.

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🦋 Synopsis 🦋

Defined in header <cstdio>:

int fputs( const char* str, std::FILE* stream );

It writes every character from the null-terminated string str to the output stream stream, as if by repeatedly executing std::fputc. The terminating null character from str is not written, bestie — that little \0 stays home 🫶.

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🌸 Parameters 🌸

• str — null-terminated character string to be written
• stream — output stream

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💫 Return value 💫

On success, returns a non-negative value ✨.

On failure, returns EOF and sets the error indicator (see std::ferror) on stream 😭.

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🧠 Notes 🧠

The related function std::puts appends a newline character to the output, while std::fputs writes the string unmodified. no cap, that newline is not invited to this party 🙈.

Different implementations return different non-negative numbers: some return the last character written, some return the number of characters written (or INT_MAX if the string was longer than that), some simply return a non-negative constant such as zero. so like… don't build your whole personality on the exact return number, okay? 💀

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🎀 Example 🎀

// Run this code

#include <cstdio>

int main(void)
{
    int rc = std::fputs("Hello World", stdout);

    if (rc == EOF)
        std::perror("fputs()"); // POSIX requires that errno is set
}

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💻 Output 💻

Hello World

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👀 See also 👀

• printf
• fprintf — prints formatted output to stdout, a file stream or a buffer (function)
• sprintf — (function)
• snprintf — (C++11) (function)
• puts — writes a character string to stdout (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

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source/version/date vibe check, bestie: http://cppreference.com · 2024.06.10 · std::fputs(3) 🌈💖