Find substring: how to use strstr : String Search « String « C / ANSI-C

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Find substring: how to use strstr

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

int main ()
{
  char str[] ="This is a line";
  char *p;
  
  p = strstr (str, "is");
  strncpy (p, "sample",5 );
  puts (str);
  
  return 0;
}

           
       

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