c:stdio.h:fclose
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| + | {{keywords>wiki library source code example reference}} | ||
| + | ===== fclose ===== | ||
| + | <code c> | ||
| + | #include <stdio.h> /* including standard library */ | ||
| + | |||
| + | int fclose( FILE *stream ); | ||
| + | </code> | ||
| + | |||
| + | === Description === | ||
| + | Close the current stream / file\\ | ||
| + | Used to close the specified file (stream). You should always use this function, to clean up after using a file. \\ | ||
| + | Any data that has been written to the file, but not actually made it that far yet, i.e. which has only been written to the file buffer in memory, \\ | ||
| + | will then be actually written to the physical file itself by the operating system. \\ | ||
| + | The space in memory allocated for these buffers will also be deallocated. Any user defined buffers (specified by setbuf and setvbuf will however, not be deallocated.\\ | ||
| + | Any temp files associated with the stream will also be deleted.\\ | ||
| + | \\ | ||
| + | Returns EOF on error, zero otherwise.\\ | ||
| + | |||
| + | ===== C Sourcecode Example ===== | ||
| + | <code c> | ||
| + | /* | ||
| + | * fclose example code | ||
| + | * http://code-reference.com/c/stdio.h/fclose | ||
| + | */ | ||
| + | #include <stdio.h> /* including standard library */ | ||
| + | //#include <windows.h> /* uncomment this for Windows */ | ||
| + | |||
| + | |||
| + | int main( void ) | ||
| + | { | ||
| + | FILE *handle; | ||
| + | handle = fopen("test.txt","r"); | ||
| + | if ( handle != 0 ) | ||
| + | { | ||
| + | printf("fopen success:\n"); | ||
| + | fclose(handle); | ||
| + | } else { | ||
| + | printf("fopen failure\n"); | ||
| + | |||
| + | if (handle != NULL) { | ||
| + | fclose(handle); | ||
| + | } | ||
| + | return 1; | ||
| + | } | ||
| + | return 0; | ||
| + | } | ||
| + | </code> | ||
| + | |||
| + | ==== fclose output ==== | ||
| + | output: if no test.txt file there | ||
| + | user@host:~$ ./fclose | ||
| + | fopen failure | ||
| + | |||
| + | output: if test.txt exist | ||
| + | user@host:~$ ./fclose | ||
| + | fopen success | ||
| + | |||
| + | ==== see also ==== | ||
| + | [[c:stdio.h:fopen|fopen()]] [[c:stdio.h:freopen|freopen()]] [[c:stdio.h:fflush|fflush()]] | ||
on the occasion of the current invasion of Russia in Ukraine
c/stdio.h/fclose.txt · Last modified: 2024/02/16 01:05 (external edit)
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