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#1
October 8th, 2002, 01:15 AM
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old code troubles
The book I am using - "The C Programming Language (second edition)" was written in 1988 so I am presuming that reason this isnt working is because it is so old =\ -
Code:
#include <stdio.h>
/* count characters in input; 2nd version */
main()
{
double nc;
for( nc = 0; getchar() != EOF; ++nc )
;
printf("%.0f\n", nc);
}
or this one: Code:
#include <stdio.h>
/* count characters in input; 1st version */
main()
{
long nc;
nc = 0;
while (getchar() != EOF)
++nc;
printf("%ld\n", nc);
}
any help into why this isnt working - so that I can take not of it for other code in this book - would be greatly appriected =)
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#2
October 8th, 2002, 12:45 PM
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What do you mean "isnīt working"?
If you run the compiled program and it just does not end waiting for input, you have to press "CTRL-D" (CTRL-Z for Win/Dos). this is the EOF getchar() it is waiting for... The book you refer to, is this the "Kernighan & Ritchie"? then it IS valid since they invented the C language. It should say "ANSI C" on the title too for the second (and up to date) edition. I learned C with this book and i can tell you, it is quite good! (Mine is from 1988 too) I guess your compiler is not compatible. Which one do you use? And which OS do you write your code on? A lot of stuff does not work eg. for MS-DOS, since DOS is crap... Same for Win9X-ME. Use Linux and GCC. IMHO Itīs your best choice for learning C.
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