##AIM:
To write a C program to implement Single pass Macroprocessor.
##ALGORITHM:
STEP 1: Start the program execution.
STEP 2: Macro instructions are included in a separate file.
STEP 3: The instructions with ‘macro’,’mend’,’call’ on them should not be printed in the
output.
STEP 4: Print all other instructions such as start,load,store,add,sub etc with their values.
STEP 5: Stop the program execution.