Mail Archives: djgpp/1997/04/26/17:20:31
From: | Erik Max Francis <max AT alcyone DOT com>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Re: argv[], char, and int
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Date: | Sat, 26 Apr 1997 13:15:14 -0700
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Organization: | Alcyone Systems
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Lines: | 23
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Message-ID: | <33626252.519EA2AA@alcyone.com>
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References: | <5jtgo3$74r$1 AT excalibur DOT flash DOT net>
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NNTP-Posting-Host: | newton.alcyone.com
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Mime-Version: | 1.0
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Ryan Crumley wrote:
> I am realitivly new to C/C++ and have a few questions. I am hoping
> someone
> can give me some guidance. This is a simplified version of what I am
> trying
> to do but hopefully it will get the point across. What I would like to do
> is take argv[1], and argv[2] and preform math operations on them. This
> brings up a problem because I am using "char *argv" How would I go about
> changing these to an int? If anyone would be willing to help me could you
> email me at the address below.
You need the routines to change strings into numbers. Look into the
stdlib.h routines atof, atoi, or atol. For more power, you can use strtol
or strtoul.
--
Erik Max Francis, &tSftDotIotE / email / max AT alcyone DOT com
Alcyone Systems / web / http://www.alcyone.com/max/
San Jose, California, United States / icbm / 37 20 07 N 121 53 38 W
\
"The future / is right there."
/ Bill Moyers
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