Echelon i.LON SmartServer Betriebsanweisung PDF herunterladen (Seite 250)

100

101

236 Appendix A - Programmer’s Reference

if((pFile = fopen(Filename,"a")) == NULL)

{

printf(“Can't open or create i.LON 100 file = %s \n",

Filename);

}

else

{

fwrite(buf,1,len,pFile);

fclose(pFile);

printf("Wrote %d bytes to file = %s \n", len, Filename);

}

fclose()

You can use the fclose()method to close a file.

SYNTAX

int fclose (FILE * stream);

The stream parameter specifies a pointer to a FILE object

that specifies the file stream to be

closed.

If the file has been closed successfully, this method returns a zero value. Otherwise, it returns

EOF (End-of-File).

EXAMPLE

The following example demonstrates an fclose()method that closes a file stream.

FILE * pFile;

fclose (pFile)

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