10 files changed, 74 insertions, 8 deletions
diff --git a/src/include/asm.h b/src/include/asm.h
index 1d61b88..9f2a9e6 100644
--- a/src/include/asm.h
+++ b/src/include/asm.h
@@ -1,7 +1,7 @@
 #ifndef ASM_H
 #define ASM_H
 
-#include"types.h"
+#include<types.h>
 
 extern uint8_t ioport_in(uint8_t port);
 extern void ioport_out(uint8_t port, char data);
diff --git a/src/include/errno.h b/src/include/errno.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/include/errno.h
diff --git a/src/include/heap.h b/src/include/heap.h
index 11478aa..fa32f26 100644
--- a/src/include/heap.h
+++ b/src/include/heap.h
@@ -1,7 +1,7 @@
 #ifndef HEAP_H
 #define HEAP_H
 
-#include"types.h"
+#include<types.h>
 
 void kheapinit();
 int kheapaddblock(uintptr_t addr,uint32_t size,uint32_t bsize);
diff --git a/src/include/stdio.h b/src/include/stdio.h
index 2d0aa8a..45c9215 100644
--- a/src/include/stdio.h
+++ b/src/include/stdio.h
@@ -1,6 +1,28 @@
-#ifndef STDIO_H
-#define STDIO_H
+#ifndef _STDIO_H
+#define _STDIO_H
+#include <stdarg.h>
+#include <stddef.h>
+#define SEEK_SET 0
+typedef struct { int unused; } FILE;
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern FILE* stderr;
+#define stderr stderr
+int fclose(FILE*);
+int fflush(FILE*);
+FILE* fopen(const char*, const char*);
+int fprintf(FILE*, const char*, ...);
+size_t fread(void*, size_t, size_t, FILE*);
+int fseek(FILE*, long, int);
+long ftell(FILE*);
+size_t fwrite(const void*, size_t, size_t, FILE*);
+void setbuf(FILE*, char*);
+int vfprintf(FILE*, const char*, va_list);
 
 void printf(char *str, ...);
 
+#ifdef __cplusplus
+}
+#endif
 #endif
diff --git a/src/include/stdlib.h b/src/include/stdlib.h
new file mode 100644
index 0000000..a0afe38
--- /dev/null
+++ b/src/include/stdlib.h
@@ -0,0 +1,15 @@
+#ifndef _STDLIB_H
+#define _STDLIB_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+void abort(void);
+int atexit(void (*)(void));
+int atoi(const char*);
+void free(void*);
+char* getenv(const char*);
+void* malloc(size_t);
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/src/include/string.h b/src/include/string.h
index 500f545..bef5854 100644
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -1,7 +1,18 @@
-#ifndef STRING_H
-#define STRING_H
+#ifndef _STRING_H
+#define _STRING_H
+#include <stddef.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+void* memcpy(void*, const void*, size_t);
+void* memset(void*, int, size_t);
+char* strcpy(char*, const char*);
+size_t strlen(const char*);
+#ifdef __cplusplus
+}
+#endif
 
-#include"types.h"
+#include<types.h>
 
 size_t stringlen(char *str);
 bool stringcmp(char *str1,char *str2);
diff --git a/src/include/sys/types.h b/src/include/sys/types.h
new file mode 100644
index 0000000..4f55189
--- /dev/null
+++ b/src/include/sys/types.h
@@ -0,0 +1,4 @@
+#ifndef _SYS_TYPES_H
+#define _SYS_TYPES_H
+typedef int pid_t;
+#endif
diff --git a/src/include/time.h b/src/include/time.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/include/time.h
diff --git a/src/include/unistd.h b/src/include/unistd.h
new file mode 100644
index 0000000..a6bfee0
--- /dev/null
+++ b/src/include/unistd.h
@@ -0,0 +1,14 @@
+#ifndef _UNISTD_H
+#define _UNISTD_H
+#include <sys/types.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+int execv(const char*, char* const[]);
+int execve(const char*, char* const[], char* const[]);
+int execvp(const char*, char* const[]);
+pid_t fork(void);
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/src/include/vga.h b/src/include/vga.h
index 93d5df3..eb43644 100644
--- a/src/include/vga.h
+++ b/src/include/vga.h
@@ -1,7 +1,7 @@
 #ifndef VGA_H
 #define VGA_H
 
-#include"types.h"
+#include<types.h>
 
 static const size_t VGA_WIDTH = 80;
 static const size_t VGA_HEIGHT = 25;