name | full path name of file to be created |
dlen | length of data record in bytes |
mlen | if ISVARLEN then max record length else ignored |
key | primary index description, see isam indexes |
mode | see open modes |
allocated file descriptor, or NULL on failure, in which case the error code will be found in the errno global.
if successful, isBuild will return an isam file descriptor open in the specified mode and ready for use.
refer to Variable Length Records for more details regarding ISVARLEN.