fclose

fclose

---

Closes a file or stream

 #include <stdio.h> int fclose ( FILE *fp  ); 

The fclose( ) function closes the file associated with a given FILE pointer, and releases the memory occupied by its I/O buffer. If the file was opened for writing, fclose( ) flushes the contents of the file buffer to the file.

The fclose( ) function returns 0 on success. If fclose( ) fails, it returns the value EOF.

Example

 /* Print a file to the console, line by line. */ FILE *fp_infile; char linebuffer[512]; if (( fp_infile=fopen("input.dat", "r")) == NULL ) {   fprintf(stderr, "Couldn't open input file.\n");   return -1; } while ( fgets( linebuffer, sizeof(linebuffer), fp_infile )) != NULL )   fputs( linebuffer, stdout ); if ( ! feof(fp_infile) )   // This means "if not end of file"   fprintf( stderr, "Error reading from input file.\n" ); if ( fclose(fp_infile) != 0 ) {   fprintf(stderr, "Error closing input file.\n");   return -2; } 

See Also

fflush( ), fopen( ), setbuf( )