250+ C programs for practice 2021 page no: 10

● Strstr() Function (Sub-String)

● Strlwr() Function (To Lower-Case)

● Strupr() Function (To Upper-Case)

● Strncmp() Compare & Chars

● Strncpy() Copy N Chars

● Strrev() String Reverse

● Strlen() String Length

● Strcat() String Concatenate

● Strcmp() String Compare

● Strcpy() Copy the String

10. Pointer Questions

● Add two numbers using pointers.

● Swap two numbers using pointers.

● Input and print array elements using a pointer.

● Copy one array to another using pointer.

● Swap two arrays using pointers.

● Reverse an array using pointers.

● Search an element in an array using pointers.

● Access two-dimensional array using pointers.

● Add two matrix using pointers.

● Multiply two matrix using pointers.

● Find the length of string using pointers.

● In short How to Copy one string to another using pointer.

● Concatenate two strings using pointers.