Function: GDSI_CANCEL Purpose: Cancels a transfer started with GDSI_READ or GDSI_WRITE. Category: DATA, IMAGE-IO File: gdsi_read.c Author: K.G. Begeman Use: CALL GDSI_CANCEL( SET, Input CHARACTER*(*) TRANS_ID ) Input INTEGER SET set name TRANS_ID transfer indentification. This identifier was returned by a previous call GDSI_READ or GDSI_WRITE ( always > 0 ). Related Docs: gdsi_read.dc2, gdsi_write.dc2. Updates: Dec 21, 1989: WZ, migrated to C. Jul 5, 1990: KGB, modified document. Oct 31, 1990: WZ, 'naxis', etc. from setsta -> dsc_file. Aug 17, 1991: KGB, new algorithm, replace fopen by open. Jan 31, 1994: JPT, attempt to open read-only if read-write fails.