Saying in the man page that I hadn't tested on a 64-bit machine was

[sgt/agedu] / agedu.h

/*
 * Central header file for agedu, defining various useful things.
 */

#define PNAME "agedu"

#define DUMPHDR "agedu dump file. pathsep="

#define lenof(x) (sizeof((x))/sizeof(*(x)))

extern char pathsep;