Create substring_in_array.c

substring_in_array.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+    char str[100], substr[50];
+
+    // Input main string
+    printf("Enter the main string: ");
+    fgets(str, sizeof(str), stdin);
+    str[strcspn(str, "\n")] = '\0'; // remove trailing newline
+
+    // Input substring
+    printf("Enter the substring to search: ");
+    fgets(substr, sizeof(substr), stdin);
+    substr[strcspn(substr, "\n")] = '\0'; // remove newline
+
+    // Use strstr() to find substring
+    char *pos = strstr(str, substr);
+
+    if (pos != NULL) {
+        printf("Substring found at position: %ld\n", pos - str + 1); // 1-based index
+    } else {
+        printf("Substring not found.\n");
+    }
+
+    return 0;
+}