pr_end_of_file_error是什么意思_pr0file

c语言 错误提示C:UsersCCJFDesktopCpp1.cpp(80) : fatal error C1004: unexpected end of file found

scanf("%d",&m);

文件未结束，多数情况 是{} 未完整配对

pr_end_of_file_error是什么意思_pr0file

pr_end_of_file_error是什么意思_pr0file

~~~~~~~#include

for (d=5,e=5,f=5; d>0,e>0,f>0;h++){

循环中，不是这样写判断 的

and的关系，是这样

for (d=5,e=5,f=5; d>0 && e>0 && f>0;h++){

fatal error C1004: unexpected end of file found是怎么回事？

dat.Data = fread(datack.fid, [wefmt.nChannels nSPCext], dtype);

晕了，你在定义disp()时少了一个右大括号},在disp()输出c的时候也少了<<

if rem(total_bytes,2), total_bytes=total_bytes+1; end

加上之后

还需把类中定义的方法定义成公有的public

…………楼主有些马虎哦~~下面是调试通过的头文件代码

#include

class

equation{

float

a,b,c,r;

public:void

setData(float

a1,float

b1,float

c1){

a=a1;b=b1;c=c1;

}int

getA(){

a;

}int

getB(){

b;

}int

getC(){

c;

}float

result(float

x){

r=axx+bx+c;

r;

}void

disp(){

cout<<"a:"<

cout<<"b:"<

cout<<"c:"<

cout<<"the

result

is:"<

}};

修改为如下即可：

#include

void

main()

//将viod改为void

{char

printf("a%c

b%ctc%ctabcn",c1,c2,c3);

printf("t

b%c

%cn",c4,c5);

}

你的pai函数后面少个｝

就这个原因

少个“}”，加到就可以了。

pascal语言中，运行程序后出现提示：synrax error,.expected but end of file found.是什么意思

msg = err_msg;

你程序末尾的end.没有写"."

scanf的返回值:

语法错误，.被期望但是发现文件结束。

换句不那么绕口的话：你程序末尾的end.没有写"."

输入文件已经结束但是你的程序仍在读取。

比如你要读4个数据，而输入文件里只有3个

scanf是什么函数？

scanf与printf函数一样，都被定义在头文件stdio.h里，因此在使用scanf函数时要加上#include 。它是格式输入函数，即按用户指定的格式从键盘上把数据输入到指定的变量之中。

scanf函数原型:class Employee:public Person{

int scanf( const char format, ... );

scanf()函数是格式化输入函数，它从标准输入设备(键盘) 读取输入的信息。

其调用格式为: scanf("<格式化字符串>"，<地址表>);

函数 scanf() 是从标准输入流 stdin 中读内容的通用子程序，可以读入全部固有类型的数据并自动转换成机内形式。

scanf()函数返回成功赋值的数据项数，读到文件末尾出错时则返回EOF。

如：

scanf("%d,%d", &a, &b);

如果a和b都被成功读入，那么scanf的返回值就是2

如果只有a被成功读入，返回值为1

如果a和b都未被成功读入，返回值为0

如果遇到错误或遇到end of file，返回值为EOF。

且返回值为int型.

例：使用scanf函数输入数据。

int % Setting ext=[] forces ALL samples to be read. Otherwise,main()

{int a,b,c;

printf("输入 a, b, cn");

scanf("%d,%d,%d", &a, &b, &c);

printf("a = %d b = %d c = %dn", a, b, c);

fflush(stdin);

return 0;

}注意上面的scanf("%d,%d,%d",&a,&b,&c);中%d,%d,%d之间如果有逗号，在输入数据时也要加逗号，如果去掉逗号，输入时就不用逗号，而用空格、tab键或回车键将各个数据隔开

samba 访问出错

ca% skipping over the sample data.se 17

你是在ip20的机器上启动了b服务，然后去连接的200的吗？

你先blcllient－L列一下的共享目录，看是否正常？

C语言出现这个提示是什么意思?

[Error] C:UserslenovoDocumentsC-FreeTemp未命名1.cpp:7: error: `printf' was not declared in this scope的意思是 `printf'里的's'没有被定义

[Warning] C:UserslenovoDocumentsC-FreeTemp未命名1.cpp:8:2: warning: no newline at end of file 是源文件的一行没有回车符造成的

“was not declared in this scope”是一个错误信息，在编译的时候会遇到。其含义为标识符在其出现的地方是未被定义的。

total_bytes = ck.Size; % # bytes in subck该错误出现时，需要根据出现该错误的行号% end of wread()及名称，查找对应名称变量或函数的作用，一般有如下几种可能：

1 忘记定义。写代码的时候疏忽了，导致一些变量直接使用但没有定义。只要对应定义相应的函数或变量即可。

2 拼写错误。写代码的时候，敲错了字符。比如sum敲成了Sum, erage敲成erge等。对应修改即可。

3 作用域不正确。在超出变量和函数的作用域部分使用了该变量或函数。需要通过定义位置，或增加声明的手段，加大变量的作用域使其包含引用位置。

scanf是什么意思？

error(msg);

scanf是C语言中的标准输入函数。

函数原型如下：

int scanf( const char format, ... );

其调用格式为: scanf("<格式化字符串>"，<地址表>);

举例说明如下：

scanf("%d%d", &a, &b); // 接收用户};从键盘输入的2个整数，分别赋值给变量a，b

还需要注意的就是scanf函数的返回值：

对于 scanf("%d%d", &a, &b);

如果a和b都被成功读入，那么scanf的返回值就是2 ；

如果只有a被成功读入，返回值为1 ；

如果a和b都未被成功读入，返回值为0 ；

如果遇到错误或遇到end of file，返回值为EOF。

本人是初学者，为什么这段VHDL程序会出现这种错误

VHDL的语法还要多学习了

architecture one of and3 is

begin

y<=a and b;

应该是 end one;要分号的

libcase 'ieng'rary ieee;

use ieee.std_logic_1164.all;

use ieee.std_logic_arith.all;

use ieee.std_logic_unsigned.all;

enti% Read format-specific :ty and3 is

port (a,b:in bit;

y:out bit

);

end and3;------------------------------

architecture one of and3 is

begin

y<=a and b;

end one;----------------------------------

end后面少个分号

如何解决编译时出现的fatal error C1004: unexpected end of file found问题

可能你当前的工程配置为需要stdafx.cpnbytes=nbytes+2;p和stdafx.h文件，但你又没这两个文件；可以在编译处选择“不需要预编译头文件”或者自己随便创建这两个文件，然fmt_msg = 'IBM AVC Adaptive Differential';后加入到工程里面

GHOST一键还原到一半出现提示：Unexpected end of file。无法继续，请问怎么解决?在线等！拜托帮帮忙！

end

意思是意外结束什么

};

可能是一件备份文件损坏了，我建议楼主不要老是用一键备份/还原来备份/恢复系统，这个老会出问题的

用ghost来手动备份，一般dos工具箱里都有ghost你选个11.2版的那个ghost，一般现在集成的都是11.2的吧，然后那个界面1-2-2是备份C盘，1-2-3是恢复C盘，我手动备份从来没出错过

可以百度视频里搜下ghost备份/恢复系统教程，3分钟包你学会

谁做过这种.w文件的读取程序？vc++或者matlab，c

% ---------------------------------------------

function [y,Fs,bits,opt_ck] = wread(file,ext)

nargchk(1,2,nargin);

if nargin<2, ext=[]; end % Default - read all samples

exts = numel(ext); % length of extent

if ~strncmpi(ext,'size',exts) && (exts > 2),

error('Index range must be specified as a scalar or 2-element vector.');

if ~ischar(ext) && exts==1,

if ext==0,

ext='size'; % synonym for size

else

ext=[1 ext]; % Prepend start sample index

[fid,msg] = open_w(file);

try

[riffck,msg] = find_cktype(fid,'RIFF');

if ~isempty(msg),

error('Not a WAVE file.');

msg = check_rifftype(fid,'WAVE');

end_of_file = 0;

opt_ck = [];

while(~end_of_file),

[ck,msg] = find_cktype(fid);

switch lower(ck.ID)

case 'end of file'

end_of_file = 1;

case 'fmt'

% found

[opt_ck,msg] = read_wefmt(fid,ck,opt_ck);

case 'data'

% found:

if ~isfield(opt_ck,'fmt'),

error('Corrupt WAV file: found audio data before format rmation.');

if strncmpi(ext,'size',exts) || ...

(~isempty(ext) && all(ext==0)),

% Caller doesn't want data - just data size:

[samples,msg] = read_wedat(ck, opt_ck.fmt, -1);

y = [samples opt_ck.fmt.nChannels];

else

% Read :

[datack,msg] = read_wedat(ck, opt_ck.fmt, ext);

y = datack.Data;

case 'fact'

% Optional found:

[opt_ck,msg] = read_factck(fid, ck, opt_ck);

case 'disp'

% Optional found:

[opt_ck,msg] = read_dispck(fid, ck, opt_ck);

case 'list'

% Optional found:

[opt_ck, msg] = read_listck(fid, ck, opt_ck);

otherwise

% Skip over data in unprocessed cks:

if rem(ck.Size,2), ck.Size=ck.Size+1; end

if(fseek(fid,ck.Size,0)==-1),

error('Incorrect ck size rmation in WAV file.');

catch

fclose(fid);

error(lasterr);

fclose(fid);

% Parse structure for return to user:

Fs = opt_ck.fmt.nSamplesPerSec;

if opt_ck.fmt.wFormatTag == 1 || opt_ck.fmt.wFormatTag == 3,

% Type 3 floating point has no nBitsPerSample field, so use

% nBlockAlign to figure out number of bits

bits = (opt_ck.fmt.nBlockAlign / opt_ck.fmt.nChannels) 8;

else

bits = []; % Unknown

% ------------------------------------------------------------------------

% Local functions:

% ------------------------------------------------------------------------

% OPEN_WAV: Open a WAV file for reading

function [fid,msg] = open_w(file)

% Append .w extension if it's missing:

[pat,nam,ext] = fileparts(file);

if isempty(ext),

file = [file '.w'];

[fid,msg] = fopen(file,'rb','l'); % Little-endian

if fid == -1,

msg = 'Cannot open file.';

% READ_CKINFO: Reads next RIFF ck, but not the ck data.

% If optional s is set to nonzero, reads SUBck instead.

% Expects an open FID pointing to first byte of ck header.

% Returns a new ck structure.

function [ck,msg] = read_ck(fid)

msg = '';

ck.fid = fid;

ck.Data = [];

err_msg = 'Truncated ck header found - sibly not a WAV file.';

[s,cnt] = fread(fid,4,'char');

% Do not error-out if a few (<4) trailing chars are in file

% Just return quickly:

if (cnt~=4),

if feof(fid),

% End of the file (not an error)

ck.ID = 'end of file'; % unambiguous ck ID (>4 chars)

ck.Size = 0;

else

ck.ID = deblank(char(s'));

% Read ck size (skip if subck):

[sz,cnt] = fread(fid,1,'uint32');

if cnt~=1,

ck.Size = sz;

% FIND_CKTYPE: Finds a ck with appropriate type.

% Searches from current file ition specified by fid.

% Lees file itions to data of desired ck.

% If optional s is set to nonzero, finds a SUBck instead.

function [ck,msg] = find_cktype(fid,ftype)

msg = '';

if nargin<2, ftype = ''; end

[ck,msg] = read_ck(fid);

if ~isempty(msg), return; end

% Was a required ck type specified?

if ~isempty(ftype) & ~strcmpi(ck.ID,ftype),

msg = ['<' ftype '-ck> did not appear as expected'];

% CHECK_RIFFTYPE: Finds the RIFF data type.

% Searches from current file ition specified by fid.

% Lees file itions to data of desired ck.

function msg = check_rifftype(fid,ftype)

msg = '';

[rifftype,cnt] = fread(fid,4,'char');

rifftype = char(rifftype)';

if cnt~=4,

msg = 'Not a WAVE file.';

elseif ~strcmpi(rifftype,ftype),

msg = ['File does not contain required ''' ftype ''' data ck.'];

% READ_LISTCK: Read the FLIST ck:

function [opt_ck,msg] = read_listck(fid,ck, orig_opt_ck)

opt_ck = orig_opt_ck;

orig_ = fl(fid);

nbytes = 4; % # of required bytes in header

msg = '';

err_msg = 'Error reading ck.';

if total_bytes < nbytes,

% Read standard data:

listdata = char(fread(fid,total_bytes,'uchar')');

listtype = lower(listdata(1:4)); % Get LIST type

if strcmp(listtype,''),

% Information:

while(~isempty(listdata)),

id = listdata(1:4);

switch lower(id)

case 'iart'

name = 'Artist';

case 'icmt'

name = 'Comments';

case 'icrd'

name = 'Creation date';

case 'icop'

name = ['Copy' 'right'];

name = 'Engineer';

case 'inam'

name = 'Name';

case 'iprd'

name = 'Product';

case 'ij'

name = 'Subject';

case 'isft'

name = 'Software';

case 'isrc'

name = 'Source';

otherwise

name = id;

if ~isfield(opt_ck,''),

opt_ck. = [];

len = listdata(5:8) 2.^[0 8 16 24]';

txt = listdata(9:9+len-1);

% Fix up text: deblank, and replace CR/LR with LF

txt = deblank(txt);

idx=findstr(txt,char([13 10]));

txt(idx) = '';

% Store - don't include the "name"

opt_ck..(lower(id)) = txt;

if rem(len,2), len=len+1; end

listdata = listdata(9+len:end);

else

if ~isfield(opt_ck,'list'),

opt_ck.list = [];

opt_ck.list.(listtype) = listdata;

% Skip over any unprocessed data:

rbytes = total_bytes - (fl(fid) - orig_);

if (fseek(fid,rbytes,'cof')==-1),

% READ_DISPCK: Read the DISP ck:

function [opt_ck, msg] = read_dispck(fid,ck,orig_opt_ck)

opt_ck = orig_opt_ck;

orig_ = fl(fid);

nbytes = 4; % # of required bytes in header

msg = '';

err_msg = 'Error reading ck.';

if total_bytes < nbytes,

% Read standard data:

data = fread(fid,total_bytes,'uchar');

% Process data:

% First few entries are size :

icon_data = data;

siz_ = reshape(icon_data(1:24),4,2)';

siz_ = siz_(2.^[0 8 16 24]');

is_icon = isequal(siz_,[8;40]);

if ~is_icon,

% Not the icon:

opt_ck.disp.name = 'DisplayName';

txt = deblank(char(data(5:end)'));

opt_ck.disp.text = txt;

% Skip over any unprocessed data:

rbytes = total_bytes - (fl(fid) - orig_);

if(fseek(fid,rbytes,'cof')==-1),

% READ_FACTCK: Read the FACT ck:

function [opt_ck,msg] = read_factck(fid,ck,orig_opt_ck)

opt_ck = orig_opt_ck;

orig_ = fl(fid);

nbytes = 4; % # of required bytes in header

msg = '';

err_msg = 'Error reading ck.';

if total_bytes < nbytes,

% Read standard data:

opt_ck.fact = char(fread(fid,total_bytes,'uchar')');

% Skip over any unprocessed data:

rbytes = total_bytes - (fl(fid) - orig_);

if(fseek(fid,rbytes,'cof')==-1),

% READ_WAVEFMT: Read WAVE format ck.

% Assumes fid points to the subck.

% Requires ck structure to be passed, indicating

% the length of the ck in case we don't recognize

% the format tag.

function [opt_ck,msg] = read_wefmt(fid,ck,orig_opt_ck)

opt_ck = orig_opt_ck;

orig_ = fl(fid);

nbytes = 14; % # of required bytes in header

msg = '';

err_msg = 'Error reading ck.';

if total_bytes < nbytes,

% Read standard data:

opt_ck.fmt.wFormatTag = fread(fid,1,'uint16'); % Data encoding format

opt_ck.fmt.nChannels = fread(fid,1,'uint16'); % Number of channels

opt_ck.fmt.nSamplesPerSec = fread(fid,1,'uint32'); % Samples per second

opt_ck.fmt.nAvgBytesPerSec = fread(fid,1,'uint32'); % Avg transfer rate

opt_ck.fmt.nBlockAlign = fread(fid,1,'uint16'); % Block alignment

switch opt_ck.fmt.wFormatTag

case 1

% PCM Format:

[opt_ck.fmt, msg] = read_fmt_pcm(fid, ck, opt_ck.fmt);

% Skip over any unprocessed fmt-specific data:

rbytes = total_bytes - (fl(fid) - orig_);

if(fseek(fid,rbytes,'cof')==-1),

% READ_FMT_PCM: Read

function [fmt,msg] = read_fmt_pcm(fid, ck, fmt)

% There had better be a bits/sample field:

nbytes = 14; % # of bytes already read in header

msg = '';

err_msg = 'Error reading PCM ck.';

if (total_bytes < nbytes+2),

[bits,cnt] = fread(fid,1,'uint16');

if (cnt~=1),

fmt.nBitsPerSample=bits;

% Are there any additional fields present?

if (total_bytes > nbytes),

% See if the "cbSize" field is present. If so, grab the data:

if (total_bytes >= nbytes+2),

% we he the cbSize uint16 in the file:

[cbSize,cnt]=fread(fid,1,'uint16');

if (cnt~=1),

fmt.cbSize = cbSize;

% Simply skip any remaining stuff - we don't know what it is:

rbytes = total_bytes - nbytes;

if (fseek(fid,rbytes,'cof') == -1);

% READ_WAVEDAT: Read WAVE data ck

% Assumes fid points to the we-data ck

% Requires and structures to be passed.

% Requires extraction range to be specified.

% ext should be a 2-element vector specifying the first

% and last samples (per channel) to be extracted.

% Setting ext=-1 returns the number of samples per channel,

function [dat,msg] = read_wedat(datack,wefmt,ext)

% In case of unsupported data compression format:

dat = [];

fmt_msg = '';

switch wefmt.wFormatTag

case 1

% PCM Format:

[dat,msg] = read_dat_pcm(datack,wefmt,ext);

case 2

fmt_msg = 'Microsoft ADPCM';listdata = listdata(5:end); % Move past INFO

case 3

% normalized floating-point

[dat,msg] = read_dat_pcm(datack,wefmt,ext);

case 6

fmt_msg = 'CCITT a-law';

case 7

fmt_msg = 'CCITT mu-law';

fmt_msg = 'IMA ADPCM';

case 34

fmt_msg = 'DSP Group TrueSpeech TM';

case 49

fmt_msg = 'GSM 6.10';

case 50

fmt_msg = 'MSN Audio';

case 257

fmt_msg = 'IBM Mu-law';

case 258

fmt_msg = 'IBM A-law';

case 259

otherwise

fmt_msg = ['Format #' num2str(wefmt.wFormatTag)];

if ~isempty(fmt_msg),

msg = ['Data compression format (' fmt_msg ') is not supported.'];

% READ_DAT_PCM: Read PCM format data from ck.

% Assumes fid points to the we-data ck

% Requires and structures to be passed.

% Requires extraction range to be specified.

% ext should be a 2-element vector specifying the first

% and last samples (per channel) to be extracted.

% Setting ext=-1 returns the number of samples per channel,

function [dat,msg] = read_dat_pcm(datack,wefmt,ext)

dat = [];

msg = '';

% Determine # bytes/sample - format requires rounding

% to next integer number of bytes:

BytesPerSample = ceil(wefmt.nBlockAlign / wefmt.nChannels);

if (BytesPerSample == 1),

dtype='uchar'; % unsigned 8-bit

elseif (BytesPerSample == 2),

dtype='int16'; % signed 16-bit

elseif (BytesPerSample == 3)

dtype='bit24'; % signed 24-bit

elseif (BytesPerSample == 4),

% 32-bit 16.8 float (type 1 - 32-bit)

% 32-bit normalized floating point

dtype = 'float';

% 32-bit 24.0 float (type 1 - 24-bit)

if wefmt.wFormatTag ~= 3 && wefmt.nBitsPerSample == 24,

BytesPerSample = 3;

else

msg = 'Cannot read PCM file formats with more than 32 bits per sample.';

total_bytes = datack.Size; % # bytes in this ck

total_samples = total_bytes / BytesPerSample;

SamplesPerChannel = total_samples / wefmt.nChannels;

if ~isempty(ext) && isscalar(ext) && ext==-1

% Just return the samples per channel, and fseek past data:

dat = SamplesPerChannel;

% Add in a pad-byte, if required:

total_bytes = total_bytes + rem(datack.Size,2);

if(fseek(datack.fid,total_bytes,'cof')==-1),

msg = 'Error reading PCM file format.';

% Determine sample range to read:

if isempty(ext),

ext = [1 SamplesPerChannel]; % Return all samples

else

if numel(ext)~=2,

msg = 'Sample limit vector must he 2 elements.';

if ext(1)<1 || ext(2)>SamplesPerChannel,

msg = 'Sample limits out of range.';

if ext(1)>ext(2),

msg = 'Sample limits must be given in ascending order.';

bytes_remaining = total_bytes; % Preset byte counter

% Skip over leading samples:

if ext(1)>1,

% Skip over leading samples, if specified:

skipcnt = BytesPerSample (ext(1)-1) wefmt.nChannels;

if(fseek(datack.fid, skipcnt,'cof') == -1),

msg = 'Error reading PCM file format.';

%% Update count of bytes remaining:

bytes_remaining = bytes_remaining - skipcnt;

% Read desired data:

nSPCext = ext(2)-ext(1)+1; % # samples per channel in extraction range

dat = datack; % Copy input structure to output

% extSamples = wefmt.nChannelsnSPCext;

%% Update count of bytes remaining:

skipcnt = BytesPerSamplenSPCextwefmt.nChannels;

bytes_remaining = bytes_remaining - skipcnt;

% if cnt~=extSamples, dat='Error reading file.'; return; end

% Skip over trailing samples:

if(fseek(datack.fid, BytesPerSample ...

(SamplesPerChannel-ext(2))wefmt.nChannels, 'cof')==-1),

msg = 'Error reading PCM file format.';

% Update count of bytes remaining:

skipcnt = BytesPerSample(SamplesPerChannel-ext(2))wefmt.nChannels;

bytes_remaining = bytes_remaining - skipcnt;

% Determine if a pad-byte is appended to data ck,

% skipping over it if present:

if rem(datack.Size,2),

fseek(datack.fid, 1, 'cof');

% Rearrange data into a matrix with one channel per column:

dat.Data = dat.Data';

% Normalize data range: min will hit -1, max will not quite hit +1.

if BytesPerSample==1,

dat.Data = (dat.Data-128)/128; % [-1,1)

elseif BytesPerSample==2,

dat.Data = ; % [-1,1)

elseif BytesPerSample==3,

dat.Data = dat.Data/(2^23); % [-1,1)

elseif BytesPerSample==4,

if wefmt.wFormatTag ~= 3, % Type 3 32-bit is already normalized

dat.Data = ; % [-1,1)

% end of wread.m