C stdio fclose() Function
Example
Close a file after reading its contents:
FILE *fptr;
// Open a file in read mode
fptr =
fopen("filename.txt", "r");
// Store the content of the file
char
myString[100];
// Read the content and store it inside myString
fgets(myString, 100, fptr);
// Print the file content
printf("%s",
myString);
// Close the file
fclose(fptr);
Try it Yourself »
Definition and Usage
The fclose() function closes a file. Closing a file will finish saving content into the file and clear memory that was used by the file pointer.
The fclose() function is defined in the <stdio.h> header file.
Syntax
fclose(FILE * fptr);Parameter Values
| Parameter | Description |
|---|---|
| fptr |
Required. A file pointer, usually created by the fopen() function.
|
Technical Details
| Returns: | An int value which is 0 if the file was closed successfully. A different value indicates that an error occurred. |
|---|
