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Answer to Question #26122 in C++ for Vicky
Question #26122
A library function, islower(), takes a single character (a letter) as an argument and returns a
nonzero integer if the letter is lowercase, or zero if it is uppercase. This function requires the header
file CTYPE.H. Write a program that allows the user to enter a letter, and then displays either zero or
nonzero, depending on whether a lowercase or uppercase letter was entered.
nonzero integer if the letter is lowercase, or zero if it is uppercase. This function requires the header
file CTYPE.H. Write a program that allows the user to enter a letter, and then displays either zero or
nonzero, depending on whether a lowercase or uppercase letter was entered.
Expert's answer
#include <stdio.h>
#include <ctype.h>
int main()
{
int ch;
printf("Enter a character: ");
ch = getchar();
if (islower(ch))
puts("0");
else
puts("1");
return 0;
}
#include <ctype.h>
int main()
{
int ch;
printf("Enter a character: ");
ch = getchar();
if (islower(ch))
puts("0");
else
puts("1");
return 0;
}
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#340153 on Dec 2023
#340153 on Dec 2023
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