push

a1/program.c

@@ -5,7 +5,6 @@ void CapsLock() {
     
     int x;         
     int numlines = 0;  
-    int check = 0;  
 
     while ((x = getchar()) != EOF) {
 
@@ -14,26 +13,20 @@ void CapsLock() {
             numlines++;
         }
         else if (islower(x)) {
-            putchar(x - 'a' + 'A');
+            putchar(toupper(x));
-            check = 1;
         }
-        
         else if (isupper(x)) {
-            putchar(x - 'A' + 'a');
+            putchar(tolower(x));
-            check = 1;
         }
-        else if (x >= 32 && x <= 126) {
+        else if (isprint(x) || x == '\t') {
             putchar(x);
         }
     }
 
-    printf("\nLines count: %d\n", numlines); 
+    printf("\nLines count: %d\n", numlines);
 }
 
 int main() {
-
     CapsLock();   
-
     return 0;
-
 }