C Programming Code Examples C > Strings Code Examples C Program to Count number of Uppercase and Lowercase Letters C Program to Count number of Uppercase and Lowercase Letters Count Total number of Capital and Small Letters from Accepted Line We can compare two Characters. Generally Comparing Characters means Comparing Corresponding ASCII Values. #include<stdio.h> int main() { int upper = 0, lower = 0; char ch[80]; int j; printf("\nEnter The String : "); gets(ch); j = 0; while (ch[j] != '') { if (ch[j] >= 'A' && ch[j] <= 'Z') upper++; if (ch[j] >= 'a' && ch[j] <= 'z') lower++; j++; } printf("\nUppercase Letters : %d", upper); printf("\nLowercase Letters : %d", lower); return (0); }
