From 75adb397234b3a67699f2cda2b75b960f4d4ceb3 Mon Sep 17 00:00:00 2001
From: Hyder <hyder@hyderhadi.xyz>
Date: Mon, 28 Jul 2025 20:15:39 +0300
Subject: Its a Hexadecimal to Integer converter, Tried to make it look like a
 professional program XD

---
 HTOI.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 HTOI.c

(limited to 'HTOI.c')

diff --git a/HTOI.c b/HTOI.c
new file mode 100644
index 0000000..a565224
--- /dev/null
+++ b/HTOI.c
@@ -0,0 +1,38 @@
+# include <stdio.h>
+
+# define HexBase 16
+
+int HexadecimalToInteger(char string[]) {
+
+    // The standalone Number *10* here in the FOR LOOP is a complementary value to make the hexadecimal function output correct values.
+
+    int DecimalNumberTotal = 0;
+
+    for (int i = 0;string[i] != '\0'; ++i) {
+      if (string[i] >= '0' && string[i] <= '9') {
+        DecimalNumberTotal = HexBase * DecimalNumberTotal + string[i] - '0';
+      }
+      else if (string[i] >= 'a' && string[i] <= 'f') {
+        DecimalNumberTotal = HexBase * DecimalNumberTotal + (string[i] - 'a' + 10);
+      }
+      else if (string[i] >= 'A' && string[i] <= 'F') {
+        DecimalNumberTotal = HexBase * DecimalNumberTotal + (string[i] - 'A' + 10);
+      }
+    }
+    return(DecimalNumberTotal);
+}
+
+// THE MAIN BLOCK
+
+int main () {
+    char TheHexString[1000];
+    printf("Give me a Hexadecimal to convert (Without the prefix 0x)\n\n");
+
+    while (scanf("%s", &TheHexString) != EOF) {
+
+        int res = HexadecimalToInteger(TheHexString);
+        printf("The result is :  %d\n\n", res);
+
+    }
+    return 0;
+}
\ No newline at end of file
-- 
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