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- /*----------- Add20.c -------------*/
- /*A sample external function for XDemo.
- by Mark Lankton, 1989 for MacTutor
- */
- #include <types.h>
- #include <resources.h>
- #include <OSUtils.h>
- #include <OSEvents.h>
- #include <SANE.h>
- #include <math.h>
- #include <stdlib.h>
-
- typedef struct XTRABlock{
- int dataLength;
- short *theData;
- }XTRABlock,*XTRABlockPtr,**XTRABlockHandle;
-
- #define TRUE 0xFF;
- #define FALSE 0x00;
-
-
- /*----------- prototype -------------*/
- pascal Boolean Add20(XTRABlock *blockPtr);
-
- /*----------- function -------------*/
- pascal Boolean
- Add20(blockPtr)
- XTRABlock *blockPtr;
- {
- int i;
-
- for(i = 0; i < blockPtr->dataLength;i++)
- {
- *((blockPtr->theData) + i) += 20;
- }
- return TRUE;
-
- }