Allocate space for a string dynamically, request user input, and then print the string backwards



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

int main(void)
{
  char *s;
  register int i;

  s = malloc(80);

  if(!s) {
    printf("Memory request failed.\n");
    exit(1);
  }

  gets(s);
  for(i = strlen(s) - 1; i >= 0; i--) 
      putchar(s[ i ]);
  free(s);

  return 0;
}

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Allocate space for a string dynamically, request user input, and then print the string backwards : Memory Allocation « Memory « C / ANSI-C

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