HomeProgramProgramming C

The function fclose () in C

Int fclose function (FILE * stream) in Library C closes Stream. All buffers are flushed (erased or moved to the periphery).

Declare the function fclose () in C

Here is the declaration for fclose () function in C:

 int fclose ( FILE * stream )

Parameters

stream - This is the pointer to the FILE object that identifies Stream to be closed.

Returns the value

This method returns 0 if Stream is successfully closed. If failure, EOF is returned.

For example

The following program C illustrates the usage of the fclose () function in C:

 #include int main () { FILE * fp ; fp = fopen ( "baitapc.txt" , "w" ); fprintf ( fp , "%s" , "Hoc C co ban va nang cao tai QTM !!!" ); fclose ( fp ); return ( 0 ); }

Compiling and running the above C program will create a bait.txt file , and then it will write the following text line and eventually it will close this file using the fclose () function. And see the results.

According to Tutorialspoint

Last lesson: stdio.h in C

Next lesson: Function clearerr () in C

5 ★ | 1 Vote
command in library Crun program C

You should read it

May be interested

  • AVG function in SQL ServerAVG function in SQL Server
    the avg function in sql server returns the average value of an expression or average value according to the specified column of the selected row.
  • Hex () function in PythonHex () function in Python
    the hex () function is one of python's built-in functions, used to convert an integer into the corresponding hexadecimal form.
  • ABS function in SQL ServerABS function in SQL Server
    this article will show you in detail how to use the abs () handling function in sql server with specific syntax and examples to better visualize and capture functions.
  • The function id () in PythonThe function id () in Python
    the built-in function id () in python returns a single integer value that identifies an object.
  • DATEPART function in SQL ServerDATEPART function in SQL Server
    the datepart function in sql server returns a time value of the input argument, which can be day, month, year, quarter, hour, minute, second, millisecond ... the return value is an integer type (int)
  • How to use the SUM function to calculate totals in ExcelHow to use the SUM function to calculate totals in Excel
    sum is a popular and very useful excel function, and is also a basic arithmetic function. as its name suggests, the sum function is used to calculate totals in excel. and the parameters can be single parameters or ranges of cells. in this article, tipsmake.com will guide you to use the sum function to calculate the sum in excel, the common errors when calculating sum by sum and how to fix it.
  • LEN function in SQL ServerLEN function in SQL Server
    the len function in sql server returns the length of the specified string. it is important that the len function does not include whitespace characters at the end of the string when calculating length.
  • ROUND function in SQL ServerROUND function in SQL Server
    the article will give you detailed instructions on how to use the sql server round () function with the syntax and specific examples to make it easier to visualize and capture the function better.
  • Max () function in PythonMax () function in Python
    python's built-in max () function returns the largest element in an iterable or the largest of the passed parameters
  • The function dir () in PythonThe function dir () in Python
    the dir () function in python returns a list of valid properties of the object. quantrimang will learn more about this function content through the article. invites you to read the track.

Programming C