link printf
February 13, 2006; William H. Mitchell
Contributors: Cheyenne Wills, Phillip Lee Thomas,
Michael Glass, Gregg M. Townsend
This file is in the public domain.
This procedure behaves somewhat like the standard printf. Supports d, e, s, o, and x formats like printf. An "r" format prints real numbers in a manner similar to that of printf's "f". Though "e" differs from printf in some details, it always produces exponential format. Left or right justification and field width control are provided as in printf. %s, %r, and %e handle precision specifications.