1 files changed, 85 insertions, 0 deletions
diff --git a/libc/config/linux/api.td b/libc/config/linux/api.td
new file mode 100644
index 00000000000..e0d4df8324a
--- /dev/null
+++ b/libc/config/linux/api.td
@@ -0,0 +1,85 @@
+include "config/public_api.td"
+
+include "spec/stdc.td"
+
+def FloatT : TypeDecl<"float_t"> {
+  let Decl = [{
+    #if __FLT_EVAL_METHOD__ == 1
+      typedef float float_t
+    #elif __FLT_EVAL_METHOD__ == 2
+      ...
+    #else
+      ...
+    #endif
+  }]; // This is only an example and not exactly how it will appear
+}
+
+def SizeT : TypeDecl<"size_t"> {
+  let Decl = [{
+    #define __need_size_t
+    #include <stddef.h>
+  }];
+}
+
+def NullMacro : MacroDef<"NULL"> {
+  let Defn = [{
+    #define __need_NULL
+    #include <stddef.h>
+  }];
+}
+
+def MathAPI : PublicAPI<"math.h"> {
+  let Functions = [
+   "acos",
+   "acosl",
+  ];
+
+  let TypeDeclarations = [
+    FloatT,
+  ];
+}
+
+def StringAPI : PublicAPI<"string.h"> {
+  let Functions = [
+    "memcpy",
+    "memmove",
+    "memcmp",
+    "memchr",
+    "memset",
+    "strcpy",
+    "strncpy",
+    "strcat",
+    "strncat",
+    "strcmp",
+    "strcoll",
+    "strncmp",
+    "strxfrm",
+    "strchr",
+    "strcspn",
+    "strpbrk",
+    "strrchr",
+    "strspn",
+    "strstr",
+    "strtok",
+    "strerror",
+    "strlen",
+  ];
+
+  let TypeDeclarations = [
+    SizeT,
+  ];
+
+  let Macros = [
+    NullMacro,
+  ];
+}
+
+def StdIOAPI : PublicAPI<"stdio.h"> {
+  let TypeDeclarations = [
+    SizeT,
+  ];
+
+  let Functions = [
+    "snprintf",
+  ];
+}