1 files changed, 202 insertions, 0 deletions
diff --git a/libc/include/ctype.yaml b/libc/include/ctype.yaml
new file mode 100644
index 000000000000..6238f1b88998
--- /dev/null
+++ b/libc/include/ctype.yaml
@@ -0,0 +1,202 @@
+header: ctype.h
+header_template: ctype.h.def
+macros: []
+types:
+  - type_name: locale_t
+enums: []
+objects: []
+functions:
+  - name: isalnum
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isalpha
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isascii
+    standards:
+      - POSIX
+    return_type: int
+    arguments:
+      - type: int
+  - name: isblank
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: iscntrl
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isdigit
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isgraph
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: islower
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isprint
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: ispunct
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isspace
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isupper
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isxdigit
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: toascii
+    standards:
+      - GNUExtensions
+    return_type: int
+    arguments:
+      - type: int
+  - name: tolower
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: toupper
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+  - name: isalnum_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isalpha_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isblank_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: iscntrl_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isdigit_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isgraph_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: islower_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isprint_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: ispunct_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isspace_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isupper_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: isxdigit_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: tolower_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t
+  - name: toupper_l
+    standards:
+      - stdc
+    return_type: int
+    arguments:
+      - type: int
+      - type: locale_t