Title: +038=360.000-OU045T_02-PCD2.m4160 PLS SBC - File system Manual.pdf
A seek position of 0 resets the corresponding pointer to the beginning of the file.Note, that the read and the write pointer can be modified. However, modifying the write pointer doesn‘t make sense as it is not possible modifying data in a file. It is only possible appending data at the end of file.B.2File System SFC LibraryB.2.1 IntroductionThe system functions for accessing a file system in a user program are accessed by the CSF (Call System Function) command. The general form of the CSF call is:CSF [cc]lib_number func_number [parms...];library number 0-4095/4096-8191 ;function number to call ;optional parametersThe “lib_number” and “functions_numbers” are required to execute CSF commands. Keywords can be used by including the “FileSystem.inc” file in Saia PG5®. Both numbers can be entered as keywords, by using the symbols provided by the file “FileSystem.inc”.B-2File System SFC Library