Question: What does str = malloc ( 5 0 ) ; mean in the following code? int x ; void main ( ) { int y

What does str = malloc(50); mean in the following code?
int x;
void main(){
int y;
char str;
str = malloc (50);
size = calcSize (10);
a. allocates 50 bytes of dynamic stack storage
b. allocates 50 bytes of dynamic heap storage
c. allocates 50 bytes of static heap storage
d. allocates 50 bytes of static stack storage
What does str = malloc(50); mean in the following code? int

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