feat: add some color

config.h

@@ -9,4 +9,12 @@
 
 #define LINE_BUF_SIZE 1024
 
+#define ANSI_COLOR_RED     "\x1b[31m"
+#define ANSI_COLOR_GREEN   "\x1b[32m"
+#define ANSI_COLOR_YELLOW  "\x1b[33m"
+#define ANSI_COLOR_BLUE    "\x1b[34m"
+#define ANSI_COLOR_MAGENTA "\x1b[35m"
+#define ANSI_COLOR_CYAN    "\x1b[36m"
+#define ANSI_COLOR_RESET   "\x1b[0m"
+
 #endif

loop.c

@@ -17,7 +17,7 @@ int loop() {
 
   char *line;
   char **args;
-  printf("> ");
+  printf(ANSI_COLOR_GREEN"> "ANSI_COLOR_RESET);
   line = readLine();
   args = splitLine(line);
   status = commandExec(args);

loop.h

@@ -6,5 +6,6 @@
  */
 #ifndef _LOOP_H_
 #define _LOOP_H_
+#include "config.h"
 int loop();
 #endif