what is feof function in c?
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C Language: feof function. (Test for End-of-File) In the C Programming Language, the feof function tests to see if the end-of-file indicator has been set for a stream pointed to by stream.
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Introduction To C C provides standard functions scanf() and printf(), for performing formatted input and output . These functions accept, as parameters, a format specification string and a list of variables.
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fputc() function is a file handling function in C programming language which is used to write a character into a file. It writes a single character at a time in a file and moves the file pointer position to the next address/location to write the next character.
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Function to minimize, specified as a function handle or function name. fun is a function that accepts a vector or array x and returns a real scalar f , the objective function evaluated at x . Specify fun as a function handle for a file: x = fmincon(@myfun,x0,A,b) where myfun is a MATLAB® function such as.
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C library function - fwrite() The C library function size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) writes data from the array pointed to, by ptr to the given stream.
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['ceil() :- This function returns the smallest integral value greater than the number. ... ', 'floor() :- This function returns the greatest integral value smaller than the number. ... ', 'fabs() :- This function returns the absolute value of the number.', 'factorial() :- This function returns the factorial of the number.']
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Printf working principle printf or print function in C takes a formatting string and couple of optional variables as input and outputs strings to console while converting input variables to strings. ... It converts it to string and appends to output buffer. If the argument is string then it does a string copy.
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fgetc() is used to obtain input from a file single character at a time. ... It returns the character present at position indicated by file pointer. After reading the character, the file pointer is advanced to next character. If pointer is at end of file or if an error occurs EOF file is returned by this function.
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Function keys. The function keys or F keys are lined along the top of the keyboard and labeled F1 through F12. These keys act as shortcuts, performing certain functions, like saving files, printing data, or refreshing a page. For example, the F1 key is often used as the default help key in many programs.
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The fgets() function in C reads up to n characters from the stream (file stream or standard input stream) to a string str . The fgets() function keeps on reading characters until: (n-1) characters have been read from the stream. a newline character is encountered.
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status = feof( fileID ) returns the status of the end-of-file indicator. The feof function returns a 1 if a previous operation set the end-of-file indicator for the specified file. Otherwise, feof returns a 0 .
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Defining a Function The general form of a function definition in C programming language is as follows − return_type function_name( parameter list ) { body of the function } A function definition in C programming consists of a function header and a function body.
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frf = modalfrf( x , y , fs , window ) estimates a matrix of frequency response functions, frf , from the excitation signals, x , and the response signals, y , all sampled at a rate fs . The output, frf , is an H1 estimate computed using Welch's method with window to window the signals.
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The sizeof operator is the most common operator in C. It is a compile-time unary operator and used to compute the size of its operand. It returns the size of a variable. ... When sizeof() is used with the data types, it simply returns the amount of memory allocated to that data type.
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Function Key. A function key is one of the "F" keys along the top of a computer keyboard. On some keyboards, these range from F1 to F12, while others have function keys ranging from F1 to F19. Function keys may be used as single key commands (e.g., F5) or may be combined with one or more modifier keys (e.g., Alt+F4).
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fseek is a C function belonging to the ANSI C standard library, and included in the file stdio. h. Its purpose is to change the file position indicator for the specified stream. Because fseek uses 32 bit values on many platforms it has a limitation of maximum 2 gigabyte seeks.
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The ctype. h header file of the C Standard Library declares several functions that are useful for testing and mapping characters. All the functions accepts int as a parameter, whose value must be EOF or representable as an unsigned char.