free: returns the memory to the heap : free « stdlib.h « C / ANSI-C

1. C / ANSI-C
2. stdlib.h
3. free

free: returns the memory to the heap

    

//Declaration: void free(void *ptr); 
  

  #include <stdlib.h>
  #include <stdio.h>

  int main(void)
  {
    char *str[100];
    int i;

    for(i=0; i<100; i++) {
      if((str[i] = malloc(128))==NULL) {
        printf("Allocation Error\n");
        exit(1);
      }
      gets(str[i]);
    }

    /* now free the memory */
    for(i=0; i<100; i++){
        free(str[i]);
    }
    return 0;
  }

           
       

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