[Solved]7 Write Program Using Getchar Toupper Putchar Library Functions Echo Back Letter Entered U Q37278515

Write using C# and show output please

7. Write a program using the getchar (), toupper(), and putchar ( library functions that echo back each letter entered in its uppercase form. The program should terminate when the digit 1 key is pressed. Show transcribed image text 7. Write a program using the getchar (), toupper(), and putchar ( library functions that echo back each letter entered in its uppercase form. The program should terminate when the digit 1 key is pressed.

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Answer to 7. Write a program using the getchar (), toupper(), and putchar ( library functions that echo back each letter entered i… . . .