Wednesday Week 9 (32)

int fseek(FILE *f, long int offset, int whence);

set the cursor for stream f, open for reading or writing
puts it at location offset bytes relative to whence
whence can have the values
- SEEK_SET ... set offset relative to start of file
- SEEK_CUR ... set offset relative to current location
- SEEK_END ... set offset relative to end of file
returns 0 if successful, -1 on error
it is legitimate to seek beyond the current end of file