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Single element of an array can be passed in similar manner as passing variable to a function.
Passing entire one-dimensional array to a function
While passing arrays to the argument, the name of the array is passed as an argument(,i.e, starting address of memory area is passed as argument).
Write a C program to pass an array containing age of person to a function. This function should find average age and
display the average age in main function.
#include <stdio.h>
float average(float a[]);
int main(){
float avg, c[]={23.4, 55, 22.6, 3, 40.5, 18};
avg=average(c); /* Only name of array is passed as argument. */
printf("Average age=%.2f",avg);
return 0;
}
float average(float a[]){
int i;
float avg, sum=0.0;
for(i=0;i<6;++i){
sum+=a[i];
}
avg =(sum/6);
return avg;
}