(PCC)::[How-to-write-C-Program-to-Check-Whether-a-Character-is-an-Alphabet-or-not]::[c]
#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; }