/* This is an example of matrices as function parameters */
#include <stdio.h>
void dosome(int list[]);
void main()
{
int index;
int matrix[20];
for (index = 0;index < 20;index++) /* generate data */
matrix[index] = index + 1;
for (index = 0;index < 5;index++) /* print original data */
printf("Start matrix[%d] = %d\n",index,matrix[index]);
dosome(matrix); /* go to a function & modify matrix */
for (index = 0;index < 5;index++) /* print modified matrix */
printf("Back matrix[%d] = %d\n",index,matrix[index]);
}
void dosome(int list[]) /* Ts will illustrate returning data */
{
int i;
for (i = 0;i < 5;i++) /* print original matrix */
printf("Before matrix[%d] = %d\n",i,list[i]);
for (i = 0;i < 20;i++) /* add 10 to all values */
list[i] += 10;
for (i = 0;i < 5;i++) /* print modified matrix */
printf("After matrix[%d] = %d\n",i,list[i]);
} PASSBACK.C
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