Cross Reference: /ast/src/cmd/tests/NOTES

arch        strtoi  strtof                  notes
----        ------  ------                  -----
darwin.i386 32/64   6.37.38-15.307.308-18.4931.4932     libc nan sign
darwin.ppc  32/64   6.37.38-15.307.308-31.291.308
freebsd6.i386   32/64   6.37.38-15.307.308-18.4931.4932     DEBUG
hp.ia64     32/64   6.37.38-15.307.308-33.4931.4932
ibm.risc    32/64   6.37.38-15.307.308-15.307.308       libc nan sign
linux.i386  32/64   6.37.38-15.307.308-18.4931.4932
linux.i386-64   64/64   6.37.38-15.307.308-18.4931.4932
linux.ia64  64/64   6.37.38-15.307.308-18.4931.4932     libc nan sign
linux.ppc64 32/64   6.37.38-15.307.308-15.307.308
netbsd6.i386    32/64   6.37.38-15.307.308-18.4931.4932     DEBUG
sgi.mips3   32/64   6.37.38-15.307.308-31.307.308       libc { nan 0.0 } sign
sol8.sun4   32/64   6.37.38-15.307.308-33.4931.4932     libc nan sign
sol10.sun4  32/64   6.37.38-15.307.308-33.4931.4932

if (tchild())
{   /* exec'd child */
}
else
{   /* original parent */
}
    check argv[1] for "--child"
    child proc exec inserts "--child" as first arg