C language strncat() function: append to the end of the string

Function name : strncat

Header file : <string.h>

Function prototype: char *strncat(char *destin,char *str,int n);

Function : Append at the end of a string, that is, add the specified number of characters of one string to the end of another string

Parameters : char *destin appended target string

char *str source string to append

int n Number of characters to append

Return value : Returns the starting address of the destination string

Note : The string destin must have enough space to accommodate the newly added string

Program example : Add the first n characters of the string str after the string destin

 #include<stdio.h>#include<string.h>intmain(void){chardestin[30]=Ilike;char*str=www.dotcpp.comverymuch;intn=14;char*newStr=strncat(destin,str, n);printf(%sn,newStr);return0;}

Running results:

 Ilikewww.dotcpp.com