String length and string compare

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

int main(void)
{
  char str1[80], str2[80];
  int i;

  printf("Enter the first string: ");
  gets(str1);
  
  printf("Enter the second string: ");
  gets(str2);

  /* see how long the strings are */
  printf("%s is %d chars long\n", str1, strlen(str1));
  printf("%s is %d chars long\n", str2, strlen(str2));

  /* compare the strings */
  i = strcmp(str1, str2);
  if(!i) 
      printf("The strings are equal.\n");
  else if(i<0) 
      printf("%s is less than %s\n", str1, str2);
  else 
      printf("%s is greater than %s\n", str1, str2);

  /* concatenate str2 to end of str1 if
     there is enough room */
  if(strlen(str1) + strlen(str2) < 80) {
       strcat(str1, str2);
       printf("%s\n", str1);
  }

  /* copy str2 to str1 */
  strcpy(str1, str2);
  printf("%s %s\n", str1, str2);

  return 0;
}

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String length and string compare : String General « String « C / ANSI-C

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