Create main.c

main.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+int main(int argc, char *argv[]) {
+    if (argc < 2) {
+        printf("Usage: %s <filename>\n", argv[0]);
+        return 1;
+    }
+
+    int fd = open(argv[1], O_RDONLY);
+    if (fd == -1) {
+        perror("Failed to open file");
+        return 1;
+    }
+    posix_fadvise(fd, 0, 0, 1);  // FDADVICE_SEQUENTIAL
+
+    char buffer[4000096];
+    ssize_t bytesRead;
+    int count = 0;
+
+    while ((bytesRead = read(fd, buffer, sizeof(buffer))) > 0) {
+        for (ssize_t i = 0; i < bytesRead; i++) {
+            if (buffer[i] == '>') {
+                count++;
+            }
+        }
+    }
+
+    if (bytesRead == -1) {
+        perror("Error reading the file");
+        close(fd);
+        return 1;
+    }
+
+    printf("%d\n", count);
+
+    close(fd);
+    return 0;
+}