Fix incompatible function pointer errors in clang

src/playdate/bindings/system.nim

@@ -34,10 +34,10 @@ type PDMenuItemCallbackFunctionRaw {.importc: "PDMenuItemCallbackFunction", head
 # System
 sdktype:
     type PlaydateSys* {.importc: "const struct playdate_sys", header: "pd_api.h".} = object
-        realloc {.importc: "realloc".}: proc (`ptr`: pointer; size: csize_t): pointer {.cdecl, raises: [], tags: [], gcsafe.}
+        realloc {.importc: "realloc".}: PDRealloc
         formatString {.importc: "formatString".}: proc (ret: cstringArray; fmt: cstring): cint {.
             cdecl, varargs, raises: [].}
-        logToConsole {.importc: "logToConsole".}: proc (fmt: ConstChar) {.cdecl, varargs, raises: [].}
+        logToConsole {.importc: "logToConsole".}: PDLog
         error {.importc: "error".}: proc (fmt: cstring) {.cdecl, varargs, raises: [].}
         getLanguage {.importsdk.}: proc (): PDLanguage
         getCurrentTimeMilliseconds {.importsdk.}: proc (): cuint

src/playdate/bindings/types.nim

@@ -1,5 +1,11 @@
-type ConstChar* {.importc: "const char*".} = cstring
-type ConstCharPtr* {.importc: "const char**".} = cstring
-type Char* {.importc: "char*".} = cstring
+type
+    ConstChar* {.importc: "const char*".} = cstring
+    ConstCharPtr* {.importc: "const char**".} = cstring
+    Char* {.importc: "char*".} = cstring
+    LCDBitmapPtr* {.importc: "LCDBitmap*", header: "pd_api.h".} = pointer
 
-type LCDBitmapPtr* {.importc: "LCDBitmap*", header: "pd_api.h".} = pointer
+    PDLog* = proc (fmt: ConstChar) {.cdecl, varargs, raises: [].}
+        ## The type signature for playdate.system.logToConsole
+
+    PDRealloc* = proc (p: pointer; size: csize_t): pointer {.tags: [], raises: [], cdecl, gcsafe.}
+        ## The type signature for playdate.system.realloc

src/playdate/util/initreqs.nim

@@ -7,9 +7,7 @@
 ## completely self contained.
 ##
 
-type
-    PDRealloc* = proc (p: pointer; size: csize_t): pointer {.tags: [], raises: [], cdecl, gcsafe.}
-    PDLog* = proc (fmt: cstring) {.cdecl, varargs, raises: [].}
+import ../bindings/types
 
 var pdrealloc*: PDRealloc
 var pdlog*: PDLog