/* This program is the same FLOATSQ.C but with prototypes */
#include <stdio.h> /* Prototypes for standard Input/Outputs */
float sqr(float inval);
float glsqr(void);
float z; /* This is a global variable */
void main()
{
int index;
float x,y;
for (index = 0;index <= 7;index++){
x = index; /* convert int to float */
y = sqr(x); /* square x to a floating point variable */
printf("The square of %d is %10.4f\n",index,y);
}
for (index = 0; index <= 7;index++) {
z = index;
y = glsqr();
printf("The square of %d is %10.4f\n",index,y);
}
}
float sqr(float inval) /* square a float, return a float */
{
float square;
square = inval * inval;
return(square);
}
float glsqr(void) /* square a float, return a float */
{
return(z*z);
} FLOATSQ2.C
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