[PROGRAM name]
[Declaration statements]
[Executable statements]
END
The main program is executed immediately whenever its
definition is finished. The COMIS system ``remembers''
all declarations of common blocks issued in the main
program. These declarations should not be repeated
each time the main program is redefined.
Moreover these declarations are valid for other
subprograms through the USE statement
(see section 2.3)
This does not mean that you cannot enter the new COMMON
declarations during the main program redefinition.
COMIS does not allow a character expression and alternate return specifiers as an actual arguments. The COMIS extensions are:
For details see Appendix B. COMIS does not accept statement functions, functions of a character type and an ENTRY statement. The full set of intrinsic functions supplied in the COMIS system excepting CHAR, LLT, LLE, LGT, LGE.