What Is The Return Type Of Ftell Function?

What actually get pass when you pass an array as a function argument?

1) In C, if we pass an array as an argument to a function, what actually get passed.

Explanation: In C language when we pass an array as a function argument, then the Base address of the array will be passed..

What is offset in C?

In computer engineering and low-level programming (such as assembly language), an offset usually denotes the number of address locations added to a base address in order to get to a specific absolute address. … In this context an offset is sometimes called a relative address.

Is Putchar faster than printf?

printf is a generic printing function that works with 100 different format specifiers and prints the proper result string. putchar , well, puts a character to the screen. That also means that it’s probably much faster.

Which header file is used for reading and writing to a file?

fstreamExplanation: header file contains all the file reading and writing functions. Also and contains functions only reading and only writing to files related functions respectively.

What will the function rewind () do?

In the C Programming Language, the rewind function sets the file position to the beginning of the file for the stream pointed to by stream. … It also clears the error and end-of-file indicators for stream.

What is Fseek and Ftell in C?

fseek(), ftell() and rewind() fseek() – It is used to moves the reading control to different positions using fseek function. ftell() – It tells the byte location of current position in file pointer. rewind() – It moves the control to beginning of a file.

What are the first and second arguments of Fopen?

A character string containing the name of the user & the second argument is the mode.A character string containing file pointer & the second argument is the mode.A character string containing the name of the file & the second argument is the mode.All of above.None of these.

What is Putchar in C?

Description. The C library function int putchar(int char) writes a character (an unsigned char) specified by the argument char to stdout.

Does Fputs add new line?

And fputs , unlike puts , does not automatically insert one at the end of the string it writes. So by adding a fputs(“\n”, fp); (or fputc(‘\n’, fp) ) after outputting each typed line, you insert the missing newline in the file.

Which type of files Cannot be opened using fopen?

Discussion ForumQue.Which type of files can’t be opened using fopen()?b..binc..cd.none of the mentionedAnswer:none of the mentioned1 more row

What does Ftell return in C?

In C language, ftell() returns the current file position of the specified stream with respect to the starting of the file. This function is used to get the total size of file after moving the file pointer at the end of the file. … stream − This is the pointer to a FILE object that identifies the stream.

Which function will return the current file position for stream?

The C library function long int ftell(FILE *stream) returns the current file position of the given stream.

Does Fread move the file pointer?

Yes, calling fread does indeed move the file pointer. The file pointer will be advanced by the number of bytes actually read. In case of an error in fread, the file position after calling fread is unspecified. Yes, The fp will be advanced by the total amount of bytes read.

What is C file data type?

A FILE is a type of structure typedef as FILE. It is considered as opaque data type as its implementation is hidden. We don’t know what constitutes the type, we only use pointer to the type and library knows the internal of the type and can use the data. Definition of FILE is in stdio although it is system specific.

What is Fseek in C?

C library function – fseek() The C library function int fseek(FILE *stream, long int offset, int whence) sets the file position of the stream to the given offset.

What is the difference between Putchar and puts?

As the name specifies putchar is used for printing a single character on console or standard output whereas puts prints a string with an additional newline character at the end. putchar is abbreviation for PUT CHARACTER whereas puts is abbreviation for PUT STRING. … It is used to write a line to the standard output.

What will Fopen will return if there is any error while opening a file?

The fopen() function creates a new file when the specified file doesn’t exist and if it fails to open file then it returns NULL. Mode “a”: Using this mode Content can be appended at the end of an existing file.

What is rewind Stdin?

rewind is a function in the C programming language that is specified in the stdio. … The function moves the file position indicator to the beginning of the specified stream, while also clearing the error and EOF flags associated with that stream.

What is the return value of GETC () Mcq?

Return Value The return type is int to accommodate for the special value EOF, which indicates failure: If the position indicator was at the end-of-file, the function returns EOF and sets the eof indicator (feof) of stream.

What is difference between putchar () and puts ()?

h header file in C programming language, and use it put string and characters on console. The function puts() is used to print strings while putchar() function is used to print character as their names specifies.

What is the purpose of Fflush () function?

The function fflush(stdin) is used to flush the output buffer of the stream. It returns zero, if successful otherwise, returns EOF and feof error indicator is set.