reading cpu temperature

main.c

 #include <stdio.h>
+#include <stdlib.h>
+
+void read_cpu_temp() {
+    FILE *file;
+    char buffer[1024];
+    char *temp_path = "/sys/class/thermal/thermal_zone0/temp";
+
+    file = fopen(temp_path, "r");
+    if (file == NULL) {
+        printf("Error opening file\n");
+        return;
+    }
+
+    if (fgets(buffer, sizeof(buffer), file) != NULL) {
+        long temp = atol(buffer) / 1000;
+        printf("CPU temperature: %ld C\n", temp);
+    } else {
+        printf("Error reading file\n");
+    }
+    fclose(file);
+}
 
 int main(void) {
-    printf("Hello, World!\n");
+    read_cpu_temp();
     return 0;
 }
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