C/stdlib.h/calloc

//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);
    }
  }