hellod

int hellogc();

hellogc is declared with C calling conventions and defined in calld.cob

void hellod();

ubiquitous hello, and call to GnuCOBOL

int dadd(int aug);

Add 42 to a given augend

Returns:
the given integer increased by 42

Examples:

assert(dadd(0) == 42);
assert(dadd(42) == 84);