fwide

 

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 <wchar.h>
int fwide( FILE *stream, int mode );

如果mode > 0，试图使stream宽。如果mode < 0，试图使stream面向字节的。如果mode==0，查询当前流的方向.....

Original:

If mode > 0, attempts to make stream wide-oriented. If mode < 0, attempts to make stream byte-oriented. If mode==0, only queries the current orientation of the stream.

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参数

stream	-	指针C I / O流，修改或查询 Original: pointer to the C I/O stream to modify or query The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mode	-	整数大于零的值来设置该流宽，小于零设置窄，或零仅查询流 Original: integer value greater than zero to set the stream wide, less than zero to set the stream narrow, or zero to query only 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

在此调用后，如果流是面向广泛的大于零的整数，小于零的，如果流是面向字节在此调用后，和零流没有方向.....

Original:

An integer greater than zero if the stream is wide-oriented after this call, less than zero if the stream is byte-oriented after this call, and zero if the stream has no orientation.

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另请参阅

fopen	打开一个文件 Original: opens 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 fwide