int pblIsamReadKey

( pblIsamFile_t* isamfile, int index,
  void* okey )

read the key and keylen of the current record

Documentation

read the key and keylen of the current record

parameter index specifies which of the keys to read

RESTRICTIONS:
- the out parameter okey must point to a memory area that is big enough to hold any possible key, i.e 255 bytes

Parameters:

isamfile - ISAM file to read in
index - index of key read
okey - buffer for result key

Returns:

int rc >= 0:

• call went OK, the value returned is the length of the key
• the key of the record is copied to okey,
• the current record of the file is not affected by this function

int rc < 0:

• some error occurred, see pbl_errno

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