CCSB163 Final - Mar 2007.pdf - MetaLab - Universiti Tenaga Nasional

(c)
(d)
Briefly describe the difference between local variable with and without
STATIC storage.
[2 marks]
Trace and write the output for the program below:
#include
int m=12;
int f(int a,int b,int c);
void main(void)
{
int n=30;
int x=1,y=2,z=3,i;
printf("Before: m=%d, n=%d, x=%d\n",m,n,x);
i=f(x,y,z);
}
printf("After: m=%d, n=%d, x=%d\n", m,n,x);
int f(int a,int b,int c)
{
int n=100;
printf("In function f: n=%d, m=%d, a=%d\n",n,m,a);
m=999;
if (a >=1)
{
a+=b+m+n;
printf("modified: n=%d, m=%d, a=%d\n",n,m,a);
}
}
return a;
[6 marks]
Semester 2 2006/2007
Page 9 of 11
Principles of Programming