diff --git a/src/dynapi/SDL_dynapi.c b/src/dynapi/SDL_dynapi.c
index 13f0a8169..f49534b48 100644
--- a/src/dynapi/SDL_dynapi.c
+++ b/src/dynapi/SDL_dynapi.c
@@ -62,38 +62,38 @@ static void SDL_InitDynamicAPI(void);
 #if DISABLE_JUMP_MAGIC
 /* Can't use the macro for varargs nonsense. This is atrocious. */
 #define SDL_DYNAPI_VARARGS_LOGFN(_static, name, initcall, logname, prio) \
-    _static void SDL_Log##logname##name(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
+    _static void SDLCALL SDL_Log##logname##name(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
         va_list ap; initcall; va_start(ap, fmt); \
         jump_table.SDL_LogMessageV(category, SDL_LOG_PRIORITY_##prio, fmt, ap); \
         va_end(ap); \
     }
 
 #define SDL_DYNAPI_VARARGS(_static, name, initcall) \
-    _static int SDL_SetError##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
+    _static int SDLCALL SDL_SetError##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
         char buf[512]; /* !!! FIXME: dynamic allocation */ \
         va_list ap; initcall; va_start(ap, fmt); \
         jump_table.SDL_vsnprintf(buf, sizeof (buf), fmt, ap); \
         va_end(ap); \
         return jump_table.SDL_SetError("%s", buf); \
     } \
-    _static int SDL_sscanf##name(const char *buf, SDL_SCANF_FORMAT_STRING const char *fmt, ...) { \
+    _static int SDLCALL SDL_sscanf##name(const char *buf, SDL_SCANF_FORMAT_STRING const char *fmt, ...) { \
         int retval; va_list ap; initcall; va_start(ap, fmt); \
         retval = jump_table.SDL_vsscanf(buf, fmt, ap); \
         va_end(ap); \
         return retval; \
     } \
-    _static int SDL_snprintf##name(SDL_OUT_Z_CAP(maxlen) char *buf, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
+    _static int SDLCALL SDL_snprintf##name(SDL_OUT_Z_CAP(maxlen) char *buf, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
         int retval; va_list ap; initcall; va_start(ap, fmt); \
         retval = jump_table.SDL_vsnprintf(buf, maxlen, fmt, ap); \
         va_end(ap); \
         return retval; \
     } \
-    _static void SDL_Log##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
+    _static void SDLCALL SDL_Log##name(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
         va_list ap; initcall; va_start(ap, fmt); \
         jump_table.SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, fmt, ap); \
         va_end(ap); \
     } \
-    _static void SDL_LogMessage##name(int category, SDL_LogPriority priority, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
+    _static void SDLCALL SDL_LogMessage##name(int category, SDL_LogPriority priority, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) { \
         va_list ap; initcall; va_start(ap, fmt); \
         jump_table.SDL_LogMessageV(category, priority, fmt, ap); \
         va_end(ap); \
@@ -111,9 +111,9 @@ static void SDL_InitDynamicAPI(void);
 /* The DEFAULT funcs will init jump table and then call real function. */
 /* The REAL funcs are the actual functions, name-mangled to not clash. */
 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \
-    typedef rc (*SDL_DYNAPIFN_##fn) params; \
-    static rc fn##_DEFAULT params; \
-    extern rc fn##_REAL params;
+    typedef rc (SDLCALL *SDL_DYNAPIFN_##fn) params; \
+    static rc SDLCALL fn##_DEFAULT params; \
+    extern rc SDLCALL fn##_REAL params;
 #include "SDL_dynapi_procs.h"
 #undef SDL_DYNAPI_PROC
 
@@ -125,7 +125,7 @@ typedef struct {
 } SDL_DYNAPI_jump_table;
 
 /* Predeclare the default functions for initializing the jump table. */
-#define SDL_DYNAPI_PROC(rc,fn,params,args,ret) static rc fn##_DEFAULT params;
+#define SDL_DYNAPI_PROC(rc,fn,params,args,ret) static rc SDLCALL fn##_DEFAULT params;
 #include "SDL_dynapi_procs.h"
 #undef SDL_DYNAPI_PROC
 
@@ -139,7 +139,7 @@ static SDL_DYNAPI_jump_table jump_table = {
 /* Default functions init the function table then call right thing. */
 #if DISABLE_JUMP_MAGIC
 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \
-    static rc fn##_DEFAULT params { \
+    static rc SDLCALL fn##_DEFAULT params { \
         SDL_InitDynamicAPI(); \
         ret jump_table.fn args; \
     }
@@ -156,7 +156,7 @@ SDL_DYNAPI_VARARGS(static, _DEFAULT, SDL_InitDynamicAPI())
 /* Public API functions to jump into the jump table. */
 #if DISABLE_JUMP_MAGIC
 #define SDL_DYNAPI_PROC(rc,fn,params,args,ret) \
-    rc fn params { ret jump_table.fn args; }
+    rc SDLCALL fn params { ret jump_table.fn args; }
 #define SDL_DYNAPI_PROC_NO_VARARGS 1
 #include "SDL_dynapi_procs.h"
 #undef SDL_DYNAPI_PROC