2.9BSD/usr/contrib/mh/strings/showproc.c

/*
 * This program is called to list messages.  At Rand, the program
 * c stops at the end of each page and waits for a <return> or
 * <open> to continue.  Eventually, this path should invoke a
 * special program which displays messages much more intelligently--
 * such as layed out nicely on the screen.
 */

char    *showproc =     "/usr/ucb/more";                       /* 5/6/79 */