I am not a C programmer but, using a SCADA package that uses C for its scripting. I need help with the following code snipet.<br>rfp = fopen(c:\textfile\group.lvl)<br>fread(name,1,8,rfp)<br>fread(password,1,26,rfp)<br>fclose rfp<br>In the fread funtion what are the ,1,8 and ,1,26 parameters?
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fread syntax
- Thread starter martyhts
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From the fread man page:<br><FONT FACE=monospace><font color=red><br>size_t fread(void *ptr, size_t size, size_t nitems, FILE *stream);</font></font><br><br>Paraphrased:<br>fread copies data from a stream to an array. Your array is pointed to by name/password and then the size and nitems are meant to represent the amount of data copied and how many data items were in the section copied.<br><br>Finally Rfp is stream to the file your using. Looking at your code it would appear that in SCADA the function is written so that size and number of items are swapped (unless it is specifying 8/26 single characters read... which makes sense)<br><br>Hope that helped<br>Loon<br>
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