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C Programming - Memory Allocation - Discussion

Discussion Forum : Memory Allocation - Find Output of Program (Q.No. 4)
Memory Allocation
4.
What will be the output of the program? 
#include<stdio.h>
#include<stdlib.h>

int main()
{
    union test
    {
        int i;
        float f;
        char c;
    };
    union test *t;
    t = (union test *)malloc(sizeof(union test));
    t->f = 10.10f;
    printf("%f", t->f);
    return 0;
}
10
Garbage value
10.100000
Error
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
22 comments Page 3 of 3.
MGR said:   7 years ago
Nice Explanation, Thanks all.
Saif said:   5 years ago
Union allocated with the higher value in it i.e. float the during DMA pointer gets the address of float type then when initialization of value 10.10f is done it will print 10.100000 because float takes 6 digits after the decimal point.
(1)
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