C/stdlib.h/calloc
calloc: allocates sufficient memory for an array of num objects of size size
//Declaration: void *calloc(size_t num, size_t size);
//Return: returns a pointer to the first byte of the allocated region.
#include <stdlib.h>
#include <stdio.h>
int main(void){
float *p;
p = calloc(100, sizeof(float));
if(!p) {
printf("Allocation Error\n");
exit(1);
}
}