C语言gets和puts函数

/*  getsputs.c  -- using gets() and puts() */
#include <stdio.h>
#define STLEN 81
int main(void)
{
    char words[STLEN];

    puts("Enter a string, please.");
    gets(words);  // typical use
    printf("Your string twice:\n");
    printf("%s\n", words);
    puts(words);
    puts("Done.");

    return 0;
}