Update README.md

Author: pushkar009

README.md

@@ -1,2 +1,7 @@
-# String-of-length-without-using-function-in-c
-Find length without using function strlen() in C.
+# String of length without using function in C
+* Find length without using function strlen() in C.
+1. The program gets a string from user.
+2. The counter is initially set to zero, when string is entered one by one the counter is incremented by 1.
+3. When string is entered completely and hit enter the compiler adds '\0' at the end of string.
+4. Counter keeps incrementing until '\0' is not entered.
+5. Counter is printed at the end of program.