Hi there,
 
I am trying to run the classic program:
 
#include <stdio.h>
 
main()
{
printf("hello world");
}
 
but when I compile it, I get the following warning:
?ASlink-Warning-Undefined Global '_putchar' referenced by module 'vprintf'
 
can someone tell me what this means? or is important?
 
thanks in advance, robbo.
 
 

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