fwrite

 

C

语言

类型的支持

动态内存管理

错误处理

程序实用工具

日期和时间工具

字符串库

算法

数值计算

输入/输出的支持

本地化的支持

线程的支持 （C11）

原子操作 （C11）

 

File input/output

功能 Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
文件访问 Original: File access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fopen freopen fclose fflush	fwide setbuf setvbuf
直接输入/输出 Original: Direct input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fread
fwrite
未格式化的输入/输出 Original: Unformatted input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fgetc fgets fputc fputs getchar gets putchar puts ungetc	fgetwc fgetws fputwc fputws getwchar putwchar ungetwc
格式化输入/输出 Original: Formatted input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
scanf fscanf sscanf vscanf vfscanf vsscanf （C99） （C99） （C99） printf fprintf sprintf snprintf （C99） vprintf vfprintf vsprintf vsnprintf （C99）	wscanf fwscanf swscanf vwscanf vfwscanf vswscanf （C99） （C99） （C99） wprintf fwprintf swprintf vwprintf vfwprintf vswprintf
文件定位 Original: File positioning The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ftell
fgetpos
fseek
fsetpos
rewind
错误处理 Original: Error handling The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
clearerr
feof
ferror
perror
对文件的操作 Original: Operations on files The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
remove
rename
tmpfile
tmpnam

 

Defined in header <stdio.h>
int fwrite( const void *buffer, size_t size, size_t count, FILE *stream );

count的对象写入到输出流buffer在给定的数组stream。对象是不以任何方式解释.

Original:

Writes count of objects in the given array buffer to the output stream stream. Objects are not interpreted in any way.

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参数

buffer	-	要写入数组中的第一个对象的对象的指针 Original: pointer to the first object object in the array to be written The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
size	-	每个对象的大小 Original: size of each object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
count	-	要写入的对象的数量 Original: the number of the objects to be written The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

返回值

成功写入的对象的数量

Original:

number of objects written successfully

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另请参阅

printf fprintf sprintf snprintf （C99）	打印格式化输出到stdout，文件流或缓冲区 Original: prints formatted output to stdout, a file stream or a buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
fputs	将一个字符串写入一个文件流 Original: writes a character string to a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
fread	从文件读取 Original: reads from a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
C++ documentation for fwrite