Implement STRCAT functionality

 implement two strings connected


1#include <stdio.h>2#include <string.h>3 4 //connect the source string to the destination string5 Char*STRCAT1 (Char*dest,Const Char*src)6 {7     intI=0;8     intn=strlen (dest);9 Ten     if((dest! = null) && (src! = null))//the source pointer and the destination pointer cannot be null One     { A          for(i=0; Src[i]! =' /'; i++) -         { -Dest[n+i] =Src[i]; the         } -Dest[n+i] =' /'; -     } -  +     returndest; - } +  A //from the source string, even a few characters into the destination string at Char*STRCAT2 (Char*dest,Const Char*SRC,intnum) - { -     intI=0; -     intn=strlen (dest); -  -     if((dest! = null) && (src! = null))//the source pointer and the destination pointer cannot be null in     { -          for(i=0; I<num && src[i]! =' /'; i++) to         { +Dest[n+i] =Src[i]; -         } theDest[n+i] =' /'; *     } $ Panax Notoginseng     returndest; - } the  +  A intMain () the { +     Chara[ -]="Hello"; -     Char*p="world!123"; $     //testing the STRCAT1 function $ STRCAT1 (a,p); -printf"After strcat1 function,a=%s\n", a); -  the     //testing the STRCAT2 function -     Charb[ -]="beautiful";WuyiSTRCAT2 (B,p,6); theprintf"After strcat2 function,b=%s\n", b); -  Wu     return 0; -}

Implement STRCAT functionality