Input
Output
#include <stdio.h> #include <string.h> void main () { char str1[30] = "Welcome to"; char str2[30] = " Onlinetpoint"; int str3; /* concatenates str1 and str2 */ strcat( str1, str2); printf("String concatenate str1 & str2: %s\n", str1 ); /* length of string str1 */ str3=strlen( str1); printf("Length of string str1 is: %d\n", str3 ); }