Read string, get its length, append and copy string - C String

Description

Read string, get its length, append and copy string

Demo Code

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

int main(void)
{
   char s1[80], s2[80];

   gets_s(s1);//  w  ww  .  j a  v a  2s  . c o m
   gets_s(s2);

   printf("lengths: %d %d\n", strlen(s1), strlen(s2));

   if (!strcmp(s1, s2)) printf("The strings are equal\n");

   strcat(s1, s2);
   printf("%s\n", s1);

   strcpy(s1, "This is a test.\n");
   printf(s1);
   if (strchr("hello", 'e')) printf("e is in hello\n");
   if (strstr("hi there", "hi")) printf("found hi");

   return 0;
}

Result

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