strncat: concatenates not more than count characters of *str2 to *str1 and terminates str1 with a null : strncat « string.h « C / ANSI-C

1. C / ANSI-C
2. string.h
3. strncat

strncat: concatenates not more than count characters of *str2 to *str1 and terminates str1 with a null

    

//Declaration:  char *strncat(char *str1, const char *str2,  size_t count); 
//Return:       returns *str1. 

  

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

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

    gets(s1);
    gets(s2);


    len = 79-strlen(s2);
    strncat(s2, s1, len);
    printf(s2);

    return 0;
  }

         
/*
2
1
12*/ 
           
       

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