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For exec() the command line pointer may be NULL.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4919 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz 2011-01-25 20:19:09 +00:00
parent 5b79d7e685
commit 549b8ec895
1 changed files with 4 additions and 2 deletions
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6
doc/funcref.sgml
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@ -2050,8 +2050,10 @@ evaluated or is ignored.
<tag/Description/<tt/exec/ replaces the currently running program by a new one. <tag/Description/<tt/exec/ replaces the currently running program by a new one.
Calling <tt/exec()/ is identical to calling <tt/<ref id="exit" name="exit()">/, Calling <tt/exec()/ is identical to calling <tt/<ref id="exit" name="exit()">/,
then loading and starting the program named in the first argument, passing then loading and starting the program named in the first argument, passing
the command line specified as second argument. On success, the function does the command line specified as second argument. Instead of an empty string,
not return. On failure, -1 is returned and <tt/errno/ contains an error code. a <tt/NULL/ pointer may be passed as second parameter.
On success, the function does not return. On failure, -1 is returned and
<tt/errno/ contains an error code.
<tag/Limits/<itemize> <tag/Limits/<itemize>
<item>The function is only available as fastcall function, so it may only <item>The function is only available as fastcall function, so it may only
be used in presence of a prototype. be used in presence of a prototype.