4 files changed, 49 insertions, 0 deletions
diff --git a/lib/api/libc/stdio.h b/lib/api/libc/stdio.h
new file mode 100644
index 0000000..81ee462
--- /dev/null
+++ b/lib/api/libc/stdio.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <libc/string.h>
+
+#include <stdarg.h>
+
+typedef struct FILE FILE;
+
+extern FILE *stdout;
+extern FILE *stderr;
+
+extern int fputc(int c, FILE *f);
+
+int vfprintf(FILE *f, const char *restrict format, va_list arguments);
+int fprintf(FILE *f, const char *restrict format, ...);
+int vprintf(const char *restrict format, va_list arguments);
+int printf(const char *restrict format, ...);
+int vsprintf(char *s, const char *restrict format, va_list arguments);
+int sprintf(char *s, const char *restrict format, ...);
+
diff --git a/lib/api/libc/stdlib.h b/lib/api/libc/stdlib.h
new file mode 100644
index 0000000..d1f3d3b
--- /dev/null
+++ b/lib/api/libc/stdlib.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <stddef.h>
+
+size_t mbstowcs(wchar_t *dst, const char *src, size_t length);
+void *malloc(size_t size);
+void *calloc(size_t count, size_t size);
+void free(void *block);
+
diff --git a/lib/api/libc/string.h b/lib/api/libc/string.h
new file mode 100644
index 0000000..c28e17c
--- /dev/null
+++ b/lib/api/libc/string.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <stddef.h>
+
+void *memcpy(void *dest, const void *src, size_t size);
+void *memmove(void *dest, const void *src, size_t size);
+void *memset(void *dest, int val, size_t size);
+int memcmp(const void *str1, const void *str2, size_t count);
+size_t strlen(const char *s);
+unsigned long long strtoull(
+        const char *restrict begin,
+        char **restrict end,
+        int base);
+
diff --git a/lib/api/libc/wchar.h b/lib/api/libc/wchar.h
new file mode 100644
index 0000000..350c209
--- /dev/null
+++ b/lib/api/libc/wchar.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include <stddef.h>
+
+size_t wcslen(const wchar_t *s);
+wchar_t *wcsdup(const wchar_t *s);