Write a program that reads characters from the standard input to end-of-file. For each character, have the program report whether it is a letter. If it is a letter, also report its numerical location in the alphabet. For example, c and C would both be letter 3. Incorporate a function that takes a character as an argument and returns the numerical location if the character is a letter and that returns - 1 otherwise.

Question

Engineering

Kendal Wade

9 August, 22:44

Write a program that reads characters from the standard input to end-of-file. For each character, have the program report whether it is a letter. If it is a letter, also report its numerical location in the alphabet. For example, c and C would both be letter 3. Incorporate a function that takes a character as an argument and returns the numerical location if the character is a letter and that returns - 1 otherwise.

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Natalie Davies · Answer 1

From stack overflow

in the C language:

#include ctype. h

int GetPosition (char c)

{

c = tolower (unsigned char (c));

if (c > = 'a' && c < = 'z') return c - 'a';

else return - 1;

}