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c:stdio.h:fclose

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c:stdio.h:fclose [2013/01/22 22:02] (current)
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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()]]
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c/stdio.h/fclose.txt · Last modified: 2013/01/22 22:02 (external edit)

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