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The confusion you might be getting, CodeJunkie, is that Assembly can be included in most C programs' source and compiled directly (by an assembly compiler). Also, there is an argument for the notion that a good C compilers (most of them are) compile C code into assembly better than most Assembly coders can do by hand, which has proven to be true on a number of occasions, especially for large programs.
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% rc4 hexkey < input > output
#define S ,t=s[i],s[i]=s[j],s[j]=t /* rc4 hexkey <file */
unsigned char k[256],s[256],i,j,t;main(c,v,e)char**v;{++v;while(++i)s[
i]=i;for(c=0;*(*v)++;k[c++]=e)sscanf((*v)++-1,"%2x",&e);while(j+=s[i]
+k[i%c]S,++i);for(j=0;c=~getchar();putchar(~c^s[t+=s[i]]))j+=s[++i]S;}
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