carta em alfabeto ou não
#include <stdio.h>
int main() {
char c;
printf("Enter a character: ");
scanf("%c", &c);
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
printf("%c is an alphabet.", c);
else
printf("%c is not an alphabet.", c);
return 0;
}
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