修改文件结构。

POP/14/Exercise03.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char** argv) {
+    char filename[81];
+    FILE* fl;
+    char string[81];
+
+    if (argc < 2) {
+        printf("Insufficient argument\n");
+        return 0;
+    }
+    else if (argc > 2) {
+        printf("Too many arguemtns\n");
+        return 0;
+    }
+
+    
+
+    strncpy(filename, argv[1], 80);
+    
+    fl = fopen(filename, "r");
+
+    if (fl == NULL) {
+        printf("Failed to open file.\n");
+        return 0;
+    }
+
+    fscanf(fl, "%80s", string);
+
+    fclose(fl);
+    printf("Content: %s\nStringLength: %d", string, strlen(string));
+
+    return 0;
+}