strncmp in c code example

Example 1: what is stdin in c

//stdin accesses the keyboard, it's a file pointer

Example 2: strncmp c

int strncmp(const char *str1, const char *str2, size_t n)
  
//if Return value < 0 then it indicates str1 is less than str2.
//if Return value > 0 then it indicates str2 is less than str1.
//if Return value = 0 then it indicates str1 is equal to str2.

Example 3: c strncmp

#include <string.h> // Corrolary to below