Sample program in C that implements STRING CONCATENATION using "strcat".?

Please provide me a sample program that implements String Concatenation using strcat. Thank you so much.

Sample program in C that implements STRING CONCATENATION using "strcat".?
if i remember right, should be simple.





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char str1[20]="hello ";


char str2[]="world";





strcat(str1,str2);





printf("%s\n",str1);





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