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C > 05. Functions I [PROGRAM #03]
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/* A function with a prototype */
/* You can put only the prototype (header) on top */ /* and define the function at the bottom */ #include <stdio.h> /* the function prototype */ void stars2 (int); /* the main program */ int main (void) { int a; a=10; /* the argument may be a constant, a variable or an expression */ stars2 (20); stars2 (a); stars2 (a+2); return (0); } /* the function definition */ void stars2 (int n) { int i; /* a loop displaying a star at each iteration */ for (i=1; i<=n; ++i) { printf ("*"); } /* change line after each series */ printf ("\n"); }
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