1arch		strtoi	strtof					notes
2----		------	------					-----
3darwin.i386	32/64	6.37.38-15.307.308-18.4931.4932		libc nan sign
4darwin.ppc	32/64	6.37.38-15.307.308-31.291.308
5freebsd6.i386	32/64	6.37.38-15.307.308-18.4931.4932		DEBUG
6hp.ia64		32/64	6.37.38-15.307.308-33.4931.4932
7ibm.risc	32/64	6.37.38-15.307.308-15.307.308		libc nan sign
8linux.i386	32/64	6.37.38-15.307.308-18.4931.4932
9linux.i386-64	64/64	6.37.38-15.307.308-18.4931.4932
10linux.ia64	64/64	6.37.38-15.307.308-18.4931.4932		libc nan sign
11linux.ppc64	32/64	6.37.38-15.307.308-15.307.308
12netbsd6.i386	32/64	6.37.38-15.307.308-18.4931.4932		DEBUG
13sgi.mips3	32/64	6.37.38-15.307.308-31.307.308		libc { nan 0.0 } sign
14sol8.sun4	32/64	6.37.38-15.307.308-33.4931.4932		libc nan sign
15sol10.sun4	32/64	6.37.38-15.307.308-33.4931.4932
16
17if (tchild())
18{	/* exec'd child */
19}
20else
21{	/* original parent */
22}
23	check argv[1] for "--child"
24	child proc exec inserts "--child" as first arg
25