diff --git a/libc/include/stdio.h b/libc/include/stdio.h
index 613c54cf..89713ec1 100644
--- a/libc/include/stdio.h
+++ b/libc/include/stdio.h
@@ -26,6 +26,9 @@ extern "C"
     extern FILE *stdin;
     extern FILE *stdout;
     extern FILE *stderr;
+    #define stdin stdin
+    #define stdout stdout
+    #define stderr stderr
 
     FILE *fopen(const char *filename, const char *mode);
     size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
@@ -44,8 +47,8 @@ extern "C"
     int fputc(int c, FILE *stream);
     int putc(int c, FILE *stream);
     int fputs(const char *s, FILE *stream);
-    int putchar(int c);
     int puts(const char *s);
+    int putchar(int c);
 
 #ifdef __cplusplus
 }
diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 38754380..c5d59f07 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -25,7 +25,7 @@ extern "C"
 
     double atof(const char *nptr);
 
-    extern void perror(const char *__s);
+    extern void perror(const char *s);
 
 #ifdef __cplusplus
 }
diff --git a/libc/src/Makefile b/libc/src/Makefile
index b6121cd3..9bda9d6f 100644
--- a/libc/src/Makefile
+++ b/libc/src/Makefile
@@ -29,6 +29,11 @@ endif
 
 CFLAGS := -fPIC -I$(INCLUDE) -I$(INCLUDE2)
 
+ifeq ($(DEBUG), 1)
+	CFLAGS += -DDEBUG -ggdb3 -O0 -fdiagnostics-color=always -fverbose-asm
+#	LDFLAGS += -ggdb3 -O0
+endif
+
 build: $(OBJECT_NAME)
 
 $(OBJECT_NAME): $(OBJ)
diff --git a/libc/src/std/io/file.c b/libc/src/std/io/file.c
index 4706ba5f..f5433ef8 100644
--- a/libc/src/std/io/file.c
+++ b/libc/src/std/io/file.c
@@ -59,11 +59,6 @@ int fprintf(FILE *stream, const char *format, ...)
     return 0; // sprintf(char *s, const char *format, ...)
 }
 
-// int printf(const char *format, ...)
-// {
-//     return 0;
-// }
-
 void setbuf(FILE *stream, char *buf)
 {
 }
diff --git a/libc/src/std/io/put.c b/libc/src/std/io/put.c
index ad0a900f..479c6380 100644
--- a/libc/src/std/io/put.c
+++ b/libc/src/std/io/put.c
@@ -4,12 +4,12 @@
 
 int fputc(int c, FILE *stream)
 {
-    syscall1(_Print, c);
+    return syscall1(_Print, c);
 }
 
 int putc(int c, FILE *stream)
 {
-    syscall1(_Print, c);
+    return syscall1(_Print, c);
 }
 
 int fputs(const char *s, FILE *stream)
@@ -18,18 +18,18 @@ int fputs(const char *s, FILE *stream)
         fputc(s[i], stream);
 }
 
-int putchar(int c)
-{
-    syscall1(_Print, c);
-}
-
 int puts(const char *s)
 {
     for (int i = 0; s[i] != '\0'; i++)
         fputc(s[i], stdout);
 }
 
-void perror(const char *__s)
+int putchar(int c)
 {
-    fputs(__s, stderr);
+    return putc(c, stdout);
 }
+
+void perror(const char *s)
+{
+    fputs(s, stderr);
+}
\ No newline at end of file